| Names | |
|---|---|
| Preferred IUPAC name | 2-chloropyridine-3-carboxylic acid |
| Other names | 2-Chloroisonicotinic acid 2-Chlorpyridine-3-carboxylic acid 2-Chloro-3-pyridinecarboxylic acid |
| Pronunciation | /tuː-klɔːrəʊ-nɪˈkɒtɪnɪk ˈæsɪd/ |
| Identifiers | |
| CAS Number | 2942-59-8 |
| Beilstein Reference | 120793 |
| ChEBI | CHEBI:86177 |
| ChEMBL | CHEMBL16211 |
| ChemSpider | 12775 |
| DrugBank | DB08308 |
| ECHA InfoCard | 14b5eec1-2d71-4171-bc85-1b3da8932e62 |
| EC Number | 221-219-7 |
| Gmelin Reference | Gmelin47289 |
| KEGG | C14225 |
| MeSH | D017921 |
| PubChem CID | 6976 |
| RTECS number | RA3850000 |
| UNII | 3A3P1W1G6O |
| UN number | UN2651 |
| Properties | |
| Chemical formula | C6H4ClNO2 |
| Molar mass | 157.55 g/mol |
| Appearance | White to off-white solid |
| Odor | Odorless |
| Density | 1.5 g/cm3 |
| Solubility in water | Slightly soluble |
| log P | 1.49 |
| Vapor pressure | 1.51E-6 mmHg at 25°C |
| Acidity (pKa) | 3.53 |
| Basicity (pKb) | pKb = 9.44 |
| Magnetic susceptibility (χ) | -60.0·10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.593 |
| Dipole moment | 1.8055 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 189.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -223.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1362 kJ/mol |
| Hazards | |
| Main hazards | Harmful if swallowed, causes skin and eye irritation, may cause respiratory irritation. |
| GHS labelling | GHS05, GHS07 |
| Pictograms | `OC(=O)c1ncccc1Cl` |
| Signal word | Warning |
| Hazard statements | H302, H315, H319, H335 |
| Precautionary statements | Precautionary statements: P261, P305+P351+P338, P405, P501 |
| NFPA 704 (fire diamond) | 2-Chloronicotinic Acid: 2-1-0 |
| Flash point | 113 °C |
| Autoignition temperature | Autoignition temperature: 540°C |
| Lethal dose or concentration | LD50 Oral Rat 472 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral rat LD50 = 1070 mg/kg |
| NIOSH | NA-OELS |
| PEL (Permissible) | Not established |
| REL (Recommended) | 1~10 mg/m³ |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds | Nicotinic acid Isonicotinic acid 2-Bromonicotinic acid 2-Fluoronicotinic acid 2-Iodonicotinic acid 3-Chloronicotinic acid 6-Chloronicotinic acid |
| Item | Details |
|---|---|
| Product Name & IUPAC Name |
2-Chloronicotinic Acid IUPAC: 2-chloropyridine-3-carboxylic acid |
| Chemical Formula | C6H4ClNO2 |
| Synonyms & Trade Names |
2-Chloro-3-pyridinecarboxylic acid; 2-Chlorpyridine-3-carboxylic acid |
| HS Code & Customs Classification | Based on customs experience and industrial product classification, shipments typically clear under HS Code 2933.39 for heterocyclic compounds with nitrogen hetero-atom(s) only, not elsewhere specified. Final HS designation can depend on downstream use-case or regional regulations. |
In our production environment, 2-Chloronicotinic Acid output relies heavily on upstream chlorination control and substrate quality. Impurity formation, especially residual starting pyridine derivatives and over-chlorination byproducts, requires careful monitoring through each synthetic step. Parameters like temperature, reagent feed rate, and chlorination selectivity have direct impact on final product profile—parameters are tuned batch-by-batch depending on the target application, whether for agrochemical intermediates, pharmaceutical syntheses, or specialty chemical processes.
Physical form varies by drying and isolation method. Most industrial lots appear as off-white to light yellow crystalline material; color variations generally reflect trace levels of side products or quenching efficiency. These outcomes are grade-sensitive: Research, technical, and pharmaceutical grades may define appearance and impurity thresholds separately. Higher-grade intended for regulatory-audited applications undergoes additional recrystallization or chromatography—lower-grade material for bulk synthesis might permit slightly higher residuals if aligned with customer’s process tolerances.
Customs classification frequently challenges shipment consistency for nitrogenous bases and acid intermediates such as this. Correct HS code usage prevents clearance delays, and technical documentation supports product identification with test data, route disclosure if required, and stability profiles based on actual transport conditions. Downstream processors must communicate end-use intent at purchase so appropriate grade and regulatory status can be selected by our technical release team.
Manufacturing cycle time depends on raw material quality and in-process controls—chlorine source, batch moisture management, and mother liquor recycle rates need ongoing validation to maintain a reproducible impurity profile. Every production lot receives full spectral confirmation (typically NMR, HPLC, and mass balance tracing), not just batch appearance, to minimize cross-contamination risk and authenticate each consignment’s traceability. Specifications are rarely one-size-fits-all: final release is determined case-by-case according to customer, market, and post-shipment stability demands.
In commercial batches, 2-Chloronicotinic Acid arrives as an off-white or pale yellow crystalline solid. The exact hue can shift based on impurity profile and grade, as minor byproducts or trace iron content may lend a faint coloration, more evident in technical grades than in high-purity batches. Odor is negligible, and there is no distinctive vapor signature in typical ambient settings. Melting point typically falls in a range that reflects both inherent molecular structure and residual solvent or moisture when incompletely dried.
This compound resists slow hydrolysis at ambient conditions, but can react in strong alkaline or nucleophilic settings, especially when subjected to elevated temperatures for extended durations. Material quality depends on control of airborne moisture and contaminants during processing and packaging. Its aromatic chloride function makes it amenable to substitution under suitable conditions, yet the presence of an acidic carboxyl moiety can change its behavior compared to other halonitroaromatics.
Solubility in water and common polar organics remains moderate, but batch-to-batch differences can emerge due to particle size, crystallinity, and surface area. Higher-grade material often dissolves more cleanly, which is relevant for downstream applications requiring homogeneous reaction mixtures. Labs commonly prepare a clear solution in alkaline aqueous media or in DMF/DMSO for synthetic work; residual undissolved solids point to unreacted intermediates or insoluble byproducts.
Product grades span technical, laboratory, and high-purity specifications. The expected assay and impurity range reflects targeted application: agrochemical, pharmaceutical, or material science. Higher-purity lots often quote tighter control on maximum allowable chlorinated or nitrogenous byproducts.
| Parameter | Technical Grade | High-Purity Grade |
|---|---|---|
| Assay (by HPLC/GC) | Typical values depend on process control and application. | Defined by customer requirement or industry standards. |
| Moisture | Monitored batchwise; typically lower in high purity batches. | Strictly limited; subject to internal control. |
| Organic Impurities | Profile linked to raw material and reaction purity. | Requires tighter control and specific analysis. |
Key impurities come from incomplete chlorination, ring-oxidation byproducts, or unreacted starting materials. Each process route or regional plant maintains a distinct trace profile depending on feedstock and catalyst strategy. These influence downstream suitability in pharmaceuticals, so heavy-metal checks and residual solvent analysis remain routine for fine chemical grades.
Quality validation uses both in-house validated methods (HPLC, GC, titration) and, where instructed, compendial or customer-approved protocols. Exact standard operating procedures and release thresholds adjust according to application and internal standards.
Sourcing focuses on the purity of starting pyridine derivatives and the consistency of the chlorinating agent. Trace contaminants in raw pyridine impact final impurity levels, so vendor qualification and batchwise pre-screening play a direct role in process yield and compliance.
Industrial routes generally chlorinate nicotinic acid or handle the halogenation of pyridine rings under controlled conditions. Choice of solvent and temperature schedule, as well as pH buffering, drive selectivity to the 2-position and suppress polysubstitution or degradation. Each route offers distinct advantages; choice depends on throughput needs and waste byproduct tolerances.
Critical monitoring targets temperature ramp rates, chlorination feed rates, and moisture control during workup. Impurities form during incomplete reactions or side reactions, so inline analytical checks (GC/HPLC) confirm endpoint and byproduct suppression. Purification commonly combines crystallization, aqueous washing, and, for higher-purity products, additional reprecipitation or chromatographic steps.
QC protocols start with in-process verification then finish with release testing across purity, moisture, melting point, and impurity content. Final release standards are set by internal requirements and customer specifications. Unexpected impurity spikes or batch coloration variance may trigger further purification or batch segregation.
The aromatic chloride allows nucleophilic substitution to introduce amines, alkoxides, or thiols, forming a range of derivatives used in pharmaceutical and specialty chemicals. The carboxylic acid site is subject to esterification, amidation, or coupling for intermediate synthesis.
Substitution at the 2-chloro position usually runs best with electron-rich nucleophiles under mild to moderate base. Typical solvents include polar aprotic types. Reaction temperature and catalyst (if any) are tuned to balance rate and selectivity, especially for sensitive downstream targets.
Downstream applications include agrochemical intermediates, building blocks for API synthesis, and custom ligands. The purity and impurity spectrum influence which modifications can be reliably performed, especially with high-value or tightly regulated end uses.
Products should be stored away from humidity and direct light to limit degradation. bulk drums or fiber containers typically suit routine handling, with high-purity material preferentially kept sealed under inert gas where possible. Anhydrous construction extends shelf stability, especially in climates with high ambient moisture.
Standard fiber drums lined with protective film are adequate for most grades. Acid content and possible trace chlorides demand resistance to corrosion and moisture ingress. Purity loss links to both container residue and vapor exchange, so tightly sealed packaging is prioritized for critical grades.
Shelf life depends on storage practice, initial purity, and packaging quality. Degradation typically presents as browning or clumping, sometimes accompanied by increased off-odor in poorly dried batches. These cues warrant periodic retesting before critical use in sensitive formulations.
Product hazard labels reflect available toxicological and risk assessment data, updated when significant regulatory changes emerge. Labeling includes notification of acute toxicity potential and irritant character based on molecular functional groups.
Chlorinated aromatic acids are recognized for their skin and eye irritant potential; accidental inhalation of dust should be controlled via engineering and PPE. Standard safe handling practices include dust suppression, glove use, and prompt clean-up of spills.
Toxicological profile links closely to grade, exposure route, and chronicity. Regulatory exposure limits are observed based on available animal and industrial hygiene studies; ongoing research and updated MSDS align with current evidence.
Ventilation, dust collection, and strict batch traceability reduce exposure risks in production zones. Process engineers analyze air quality and surface contamination to drive continuous safety improvements, and operator health monitoring matches evolving regulatory guidance.
Current plant capacity closely tracks global demand for 2-Chloronicotinic Acid. Line output is process route dependent, driven by feedstock costs and campaign scheduling in multi-purpose facilities. For technical and pharma grades, annual capacity is managed in alignment with production forecast and customer call-offs, as customer audits and qualification periods frequently restrict short-term output expansion. Availability for contract customers benefits from advance production slot reservations, while spot market volumes may tighten during agricultural campaign peaks.
Lead time reflects both campaign scheduling—typical batch cycle times extend to several weeks for higher grade or low-impurity requirements—and raw material supply security. Minimum order quantities depend on purity, application field, and package type; higher MOQs are sometimes necessary to justify dedicated plant cleaning or analytical method switchovers. MOQs may be lower for ongoing long-term buyers due to batch consolidation.
Packaging selection is tailored by end use, grade, and transport distance. Fiber drums with liners, HDPE containers, or custom export bulk packaging for intermediate grades are standard, with small packs reserved primarily for laboratory or qualification use. Bulk packaging minimizes contamination risk but demands greater attention to sealing and moisture exclusion at higher purity levels, particularly for pharma or electronic grades.
Commonly supported Incoterms include FOB, CIF, and DAP in cooperation with recognized freight forwarders and hazardous material carriers. Supply chain disruptions can extend transit times, especially for shipments requiring temperature control or hazardous classification documentation. Standard payment terms for new clients include T/T in advance; ongoing contract partners may negotiate net terms based on credit assessment and historical reliability.
2-Chloronicotinic Acid’s cost structure primarily reflects upstream prices for nicotinic acid or derivative pyridine compounds and chlorinating agents such as thionyl chloride or phosphorus oxychloride. Choice of feedstock route influences impurity profiles and reagent yield, directly impacting per-unit cost. Fluctuations in petroleum, chlor-alkali, and chlorine derivative prices transmit rapidly downstream into cost and margin volatility.
Price instability originates with upstream feedstock markets, especially disruptions in the global supply of chlorination reagents, or when environmental regulations in key production regions tighten plant emissions or waste disposal requirements. The magnitude of cost pass-through correlates with how concentrated global supply is in certain chemical parks or by a handful of qualified suppliers.
Grade, purity, and certification drive the principal price differentials. Technical grades for agrochemical synthesis permit higher impurity ceilings, translating to lower purification and processing cost, but also higher batch variability. Pharma and electronics uses demand sub-ppm impurity controls, tighter analytical release specs, and full traceability, which elevate both outlay and testing burden. Packaging certification—UN-rated containers or pharma-certified liners—raises cost further for export or niche grades.
Demand cycles mirror seeding windows in agriculture and qualification cycles in pharma and electronic materials. Supply remains geographically concentrated, particularly in China and India, where regulatory shifts and energy price spikes can rapidly alter world output. Customers in Japan and the EU tend to demand higher regulatory documentation and lower contaminant profiles.
China dominates bulk capacity, driving most base price setting for technical and intermediate grades. India has increased upstream integration, but production interruptions following environmental audits periodically lead to regional outages. The US and EU rely on imports for volume needs but maintain niche in ultra-high purity routes; market access depends on REACH registration or US FDA DMF filing for pharma uses. Japanese end-users set the benchmark for highest certification requirements, often requiring multi-year audits.
Barring significant regulatory tightening or abrupt feedstock supply shocks, pricing will likely remain volatile within a band set by regional input costs and large buyer negotiations. New HSE compliance standards or restricted shipments from key Asian exporters can drive sharp short-term increases for higher grades; technical grade pricing follows a softer, cyclical agricultural demand pattern. Data tracking utilizes customs import/export analysis, benchmarked public tender results, and upstream raw material index monitoring.
Price and capacity analysis relies on a combination of internal production and sales data, global customs/statistical databases, chemical market intelligence services, and feedback from qualified end-users. Trends reflect historical batch release patterns, quarterly contract settlements, and third-party reference market reports.
Recent capacity expansions in China and India aim to secure supply for herbicide intermediates, though HSE inspection frequencies have increased. Some regional suppliers face periodic shutdowns for emission control upgrades. Downstream, pharma buyers report more stringent scrutiny on genotoxic impurity profiles, lengthening audit cycles for supplier qualification.
Regulatory scrutiny of chlorination byproducts and waste streams creates periodic supply disruption, especially in economic zones with elevated environmental enforcement. EU registration requirements under REACH, together with evolving global standards for residual solvents and trace metal contaminants, are forcing manufacturers to upgrade testing infrastructure and batch documentation practices.
To reduce risks from regulatory and market disruptions, internal control point mapping now covers waste minimization in chlorination steps and automated batch tracking for end-to-end traceability. Increased investment in closed-loop chlorination and advanced purification—such as high-performance chromatography for pharma grades—safeguards product quality at higher purity levels. Customers with mission-critical requirements are routinely invited to audit, and deviation reports trigger comprehensive CAPAs prior to next batch release.
2-Chloronicotinic acid serves as a key intermediate for agrochemical synthesis, pharmaceutical intermediates, and performance material additives. In agrochemicals, it supports the preparation of selective herbicides and pest management actives. The pharmaceutical sector utilizes the compound for nicotinic acid derivative APIs and other heterocyclic intermediates. Electronics and advanced materials producers pursue certain grades where impurity profiles align with electronic substrate specifications.
| Application Segment | Preferred Grade | Main Technical Concerns |
|---|---|---|
| Agrochemical Synthesis | Technical / Industrial | Organic Purity, Trace Metal Residues, Moisture Content |
| Pharmaceutical Intermediates | Pharma / Custom Purity | Residual Solvents, API-Grade Impurities, Defined Microbial Load |
| Electronic and Advanced Materials | High Purity / Electronic | Halogen/Metal Trace Analysis, Particle Size Distribution |
For pesticide intermediate manufacturing, consistent organic purity and low moisture prevent undesirable byproducts. In pharma API or advanced intermediate production, control of specified impurity peaks and solvent residues directly influences acceptability in regulatory filings. Electronics and specialty polymers require metal-controlled lots with pre-release batch traceability, sometimes incorporating more stringent analytical cutoffs as per downstream electronics quality requirements.
Clarifying the intended downstream process sets the foundation for grade selection. Agrochemical users typically focus on reactivity and cost performance, while pharma-sourcing emphasizes trace containment and documentation. Material science users may require specialized purity or morphological consistency.
Regulations may require control over specified impurities, batch records, and sourcing documentation. For pharmaceuticals, reference to ICH Q3A/B or local pharmacopeias may be relevant. Agrochemical manufacturers may cite technical active substance standards set by authorities or company internal protocols.
Required organic content and impurity cutoffs are typically tied to the end-use. Technical grades allow broader impurity ranges that remain within functional specifications. Pharma grades are more limited in impurity types and levels, sometimes requiring customized purification steps. Advanced material users frequently request certified analytics for trace metals, halides, or particles as dictated by product performance tolerances.
High-volume buyers often balance targeted quality parameters with scale and budget. The more stringent the specification, the greater the production complexity and associated cost. Technical grades suit commodity synthesis, whereas custom or electronic grades command both higher resource commitment and cost allocation.
Validation through product sampling offers the most direct assessment of batch-to-batch performance. Manufacturers, like us, maintain sample retention and traceability databases to cross-check representative lots and support customer qualification. Customer-specific testing protocols can be applied to ensure compatibility before scale-up supply.
From a manufacturer’s standpoint, long-term batch-to-batch consistency in 2-chloronicotinic acid demands a comprehensive quality management framework. Production typically falls under an ISO 9001 certified system, verified periodically through internal and external audits. Each process stage, including raw material vetting, reaction control, purification, drying, and final packing, ties back to traceable operating procedures and deviation management.
Procurement teams generally request supplier audits or facility certifications to validate production maturity. Certification alone does not communicate the specific control points but signals a documented system supervising process discipline and product release. Buyers in regulated industries should verify the document status—original, valid, and current—before finalizing supply partnerships.
Pharmaceutical or agrochemical clients will often specify grade requirements—whether technical, purified, or suitable for regulated synthesis. Grade assignment links to analytical verification and sometimes a separate compliance certificate addressing distinct regulatory regimes. Hazard communication responsibilities include providing accurate Safety Data Sheets according to GHS standards in the delivery region. Food or feed use, if applicable, adds requirements for bespoke declarations and exclusion of critical impurities by targeted analytical testing.
Requests for REACH pre-registration or other regional legislative compliance documentation can be accommodated for qualified product batches upon formal agreement. Certification depth tends to match both the end-use application and destination country, and manufacturing teams maintain documentation tailored to each shipment’s specifications.
Routine shipments include certificates of analysis, listing results on parameters defined by internal protocol or customer agreement. Typical values—assay range, residual solvents, organic byproducts, and water content—depend on production route and purification step efficiency. Certificate format adapts to customer-specified testing scope, with access to retained samples and data archives for traceability inquiries. Batch release reports correlate analytical test results, date of manufacture, and QA approvals. For research or formulation customers, detailed impurity profiles and process flow descriptions are available with confidentiality safeguards in place.
Production of 2-chloronicotinic acid on a multi-ton scale depends on predictable demand and raw material availability. Orders linked to annual contracts or rolling forecasts give the most reliable output projection. Flexible supply scheduling—monthly, biweekly, or spot—can be arranged in accordance with plant occupancy and campaign strategy. Contractual terms sometimes prioritize specific clients during industry-wide raw material disruptions or logistical bottlenecks, a common occurrence in chlorinated intermediates' upstream supply chain.
Maintaining output reliability rests on constant monitoring of upstream chlorination materials and maintaining critical utilities uptime. Process control teams track batch records for yield and technical deviation; procurement schedules stagger raw material deliveries to reduce downtime. Production lines assigned to chloronicotinic intermediates utilize detailed maintenance and cleaning routines to control cross-contamination and ensure quality grade continuity.
Customers with unique grade requirements should discuss batch reservation or campaign production during the negotiation phase; custom-grade manufacture may entail minimum order quantities or scheduling lead time based on line-sharing arrangements.
Sample requests are evaluated by batch lot and intended application. Standard samples match typical production grades and are shipped with analytical data reflecting recent commercial batches. For new application development, manufacturers frequently coordinate with clients to define sampling volumes, packaging requirements, and necessary documentation. Sampling is prioritized for ongoing partnership development or substantive supply negotiations. Safety and regulatory compliance documentation is supplied in full, reflecting the same quality attributes as commercial shipments.
Manufacturers develop flexible supply models by aligning contract type, delivery size, and shipment intervals with the customer’s inventory requirements and production schedules. Offerings include fixed volume/fixed price annual contracts, quarterly spot orders with market pricing, or rolling supply agreements allowing volume adjustments per market conditions. Supply flexibility absorbs typical industry shocks—feedstock tightness, logistics delays—by allocating inventory buffers or prioritizing urgent orders for long-term partners. Flexible arrangements do not supersede quality commitments; every unit passes through identical QA/QC release steps regardless of contract mode.
| Cooperation Aspect | Manufacturer’s Approach |
|---|---|
| Production Scheduling | Secured by demand forecasts and rolling contracts; campaign-based for specialty grades |
| Documentation Support | Batch-specific CoA, regulatory certificates, regulatory dossiers per order |
| Supply Reliability | Backed by core plant capacity, raw material sourcing strategies, QA/QC protocols |
| Sample Provisioning | Aligned to client application needs, released from commercial or development batch |
| Contract Flexibility | Fixed, rolling, and spot arrangements negotiated case-by-case based on client demand and market conditions |
Within our R&D and production labs, active inquiry continues into selective halogenation processes for pyridine chemistry. Directing selectivity and minimizing unwanted by-products represent ongoing technical focus. Over the past year, new catalyst systems have shown promise for improved chlorination efficiency, particularly in continuous flow reactors. Downstream, the refinement of crystallization methods impacts the ease of purification and overall yield consistency, both of which inform every scale-up assessment before batch transfer.
Demand for traceable synthesis paths has been driven by customer requests from agrochemical and pharmaceutical sectors. Auditable production chains and regulatory-driven scrutiny on secondary by-products motivate both new analytical methods and increased investment in traceable raw material sourcing.
2-Chloronicotinic acid regularly enters intermediate pipelines for synthesizing neonicotinoid precursors and heterocyclic pharmaceutical scaffolds. The molecule’s suitability for cross-coupling and amide bond formation encourages its placement in exploratory APIs and crop protection formulas. Chemical modification at the 6-position continues to attract interest; ligand design and electronic tuning remain active study areas, especially for research consortia focused on next-generation active ingredient libraries.
Materials science teams have identified this compound as a useful building block for nitrogen-functionalized polymer and resin systems. While demand from this segment remains limited compared to pharma and agchem, customization of quality release specifications is routine for such niche users.
Efforts to manage multi-step impurity build-up often dominate troubleshooting discussions during scale-up. Residual halogenated by-products, solvent trapped in product matrices, and batch-color fluctuation drive improvement projects. Product isolation steps that favor cake filtration or anti-solvent precipitation typically yield more robust results for high-purity pharmaceutical applications.
Process water loading, catalyst residue management, and trace-level heavy metal carryover require systematic monitoring. Recent process improvements have delivered measurable reductions in filterable solids and improved reproducibility at scale, validated through in-process controls and regular instrument calibration regimes.
End-user data and sales trends indicate continued growth, particularly from regulated markets where documented traceability and custom impurity control drive repeat business. Purchasers increasingly specify origin, trace element profile, and process-specific indicators for compliance with evolving registration standards. Capacity expansion planning aligns with parallel requirements for advanced batch record-keeping and increased throughput without compromising release consistency. New application areas in specialty chemicals show sporadic but potentially valuable demand, often requiring adjusted particle profiles or alternative salt forms.
Pilot-scale demonstrations of alternative halogen donors and green oxidants attract review for both cost and regulatory reasons. Transitioning from traditional chlorinating agents to less hazardous or recyclable systems represents a medium-term evolution in both safety profile and downstream waste treatment. Inline analytics and process automation receive regular upgrades; robust QC data capture enables faster turnaround on batch deviations and supports digital traceability.
Raw material selection by procurement and quality teams gives preference to suppliers who meet documented environmental and ethical standards. Wastewater minimization and closed-loop solvent recovery are standard evaluation lines on all new project charters. By-product valorization and reduction in overall effluent loading directly impact environmental reporting and influence process route decisions at the earliest feasibility stage. Where product grade or application allows, development work continues into biobased or lower-carbon-intensity reactants.
Our technical support group works directly with formulation chemists, process engineers, and materials scientists to address application-specific queries. Clarification of impurity profiles, guidance on grade selection for intended synthesis, and discussion on downstream compatibility are handled by personnel with hands-on production and QC experience. Customer audits and review of supporting validation data are common, especially for pharmaceutical or agrochemical registrations.
Support includes assessment of particle size distribution for improved dispersibility in downstream applications, recommendations on storage conditions, and suggestions on handling procedures to minimize product loss due to caking or agglomeration. Users with high-purity or low-residual-metal requirements can request non-standard testing and release protocols, arranged through production and QC cooperation on a case-by-case basis.
Batch-to-batch consistency remains a top maintenance goal, with trend analysis applied across multiple production runs. Customer feedback loops are closed by direct investigation of any variance, either through additional laboratory analysis or on-site troubleshooting. Documentation for each lot includes traceability from raw material procurement through final packaging, and all release data is available for customer review under confidentiality agreement. Technical field visits and joint evaluation of process or product failures ensure prompt corrective action, tailored to the application and customer process needs.
In our chemical manufacturing facility, 2-Chloronicotinic Acid is produced through precision-controlled chlorination of nicotinic acid. Our process relies on specialized reaction systems designed for consistency at scale, ensuring tight control of chloride introduction and minimizing by-product formation. Purification steps remove trace impurities, allowing us to deliver a consistently pure, well-characterized intermediate to industrial users.
2-Chloronicotinic Acid plays a central role in agrochemical synthesis, notably in the construction of active ingredients for crop protection. It also appears in pharmaceutical intermediate streams and specialty chemical production. The reactivity of the chlorine-substituted pyridine ring offers downstream developers a dependable starting point for custom transformations. Users in sectors focusing on research and development of active molecules value the raw material for its predictable behavior in multi-step synthesis.
We maintain batch-to-batch reproducibility using in-line analytical monitoring and standardized reactor parameters. Every production run undergoes HPLC and GC testing to measure both assay and trace impurity levels. Finished batches receive documented COAs reflecting the results of actual laboratory analysis. This commitment drives reduced cross-batch variability, which streamlines planning and regulatory submissions for both our downstream industrial customers and internal teams.
Solid 2-Chloronicotinic Acid leaves our facility packed in fiber drums or lined bags, sealed for atmospheric protection. We stock multiple weight grades to support volume buyers, providing flexibility in supply for different plant scales or R&D packages. Packaging meets international shipping standards, minimizing transit loss and reducing supply chain headaches. Loading schedules run on a fixed calendar, with buffer stock ready for just-in-time requirements by our continuous process partners.
Direct feedback from industrial users enables ongoing optimization of both our synthesis route and the logistics supporting large-scale users. Our technical chemists work with customer R&D and purchasing teams to troubleshoot application-specific challenges such as solubility in process solvents, purification steps, or transition into subsequent syntheses. As raw material specifications evolve, we adjust internal quality targets and analytical protocols in-house, ensuring seamless integration for new downstream processes.
Control over production, product grading, and logistics gives industrial buyers confidence in material quality and supply security. Close integration with procurement processes ensures that contract partners receive timely, specification-matched shipments. For distribution networks, our production controls support the scaling of demand with predictable lead times. As a direct manufacturer, we align our batch-making, analytical, and delivery schedules with each contract partner’s operational demands, reducing non-conformance risk and cycle time across procurement, compliance, and production.
Producing 2-chloronicotinic acid in-house gives us total control over its chemical purity. Rigorous selection of starting materials, followed by fine-tuned reaction steps and controlled crystallization, results in a material with a purity that consistently meets or exceeds 98%. We regularly confirm this value using High Performance Liquid Chromatography (HPLC) along with titrimetric analysis and loss on drying measurements. Throughout the manufacturing process, technicians run batch-by-batch analysis, ensuring the absence of significant impurities such as residual mother liquors, heavy metals, and starting reagents.
This level of attention is especially important for those using 2-chloronicotinic acid as an intermediate in active pharmaceutical ingredient synthesis or complex agrochemical formulations. Products with lower or inconsistent purity can introduce problems further down the pipeline, increasing processing costs and raising questions around regulatory compliance.
Analytical verification matters a great deal to our technical clients, so each production lot undergoes a full suite of spectroscopic checks. Proton NMR (1H-NMR) and carbon-13 NMR (13C-NMR) confirm the structural consistency of our product. We check for expected chemical shifts — aromatic protons between 7 and 9 ppm, the carboxylic acid proton further downfield, and a clear signal for the chlorine-substituted position. Infrared spectroscopy (IR) showcases a strong carbonyl stretch for the carboxylic acid group near 1700 cm-1, as well as C-Cl and aromatic ring vibrations. For clarity, our quality department retains both hardcopies and scanned spectra for every batch, ready to be shared on request.
Our laboratory also uses mass spectrometry (MS) to confirm molecular weight, looking specifically for the prominent molecular ion at m/z 156, consistent with the C6H4ClNO2 structure. Any peaks related to trace by-products or solvent residues prompt a full root-cause investigation. It is not enough to clear a batch through a single test; confirmation comes through overlapping results across several analytical techniques. Combined, this data set gives chemists and formulators the confidence to take our 2-chloronicotinic acid directly into high-stakes synthesis.
Maintaining chemical purity at scale requires constant vigilance. Variations in temperature, solvent quality, or minor changes in crystallization can influence purity or introduce subtle impurities. Our production team continuously calibrates equipment and revises purification protocols to compensate for seasonal and supply-driven variations. Regular feedback from downstream partners has pushed us to maintain even tighter tolerances for trace impurities, fueling yearly investments in more precise and sensitive instrumentation.
Experience shows that transparency and full disclosure help everyone involved. We do not hold back spectral data — our clients expect, and receive, full access to NMR, IR, and HPLC data. This way, any quality concern can be traced back quickly to its origin, without unnecessary delays or finger-pointing. By anchoring our manufacturing practices in real-world expectations, we keep the material dependable and the supply chain robust.
In the context of large-scale chemical synthesis or advanced intermediate production, sourcing 2-Chloronicotinic Acid directly from the manufacturing plant eliminates uncertainty in both quality and fulfillment speed. Our operations have specialized in pyridine derivative production for more than a decade, drawing on automated systems and robust raw material sourcing to keep up with the scale that downstream industries demand.
Requests for 2-Chloronicotinic Acid often come in volumes ranging from hundreds of kilograms up to multi-ton lots. Scaling up output requires careful material handling, reliable process controls, and continuous investment in reactor capacity. In recent years, expansion of both synthesis and purification units at our facility has allowed us to commit to bulk shipments with predictable batch quality. Our standard batch size supports both mid-sized and full-container shipments, filling orders direct to specification, which means customers do not contend with mismatch in purity or unwanted residue from inconsistent manufacturing methods.
Raw material intake, logistics coordination, and continuous attention to solvent recovery let us keep throughput steady, even when demand spikes. Inventory is planned ahead based on historical order volume and confirmed project pipelines, minimizing delays that can cascade through our customers' supply chains. All of our product is made in-house using validated process routes, with full traceability for every outgoing lot.
Lead time hinges on plant load and batch scheduling as much as actual synthesis duration. For routine orders up to a few tons, current lead times tend to fall between three and five weeks, starting from formal purchase order release. Orders involving custom specifications—such as different particle size, unique packaging, or unusually high-purity targets—can require up to an additional week for lab-scale confirmation before scale-up, especially in the case of new customer requirements. Our typical workflow builds in buffer time to account for QC release and logistics preparation, keeping commitments realistic even when market demand surges or raw material imports tighten unexpectedly.
In periods of raw material market disruption or transportation bottlenecks, committed framework contracts with our regular customers take priority. We prefer long-term partnerships where demand can be forecasted, as this supports uninterrupted production runs and less off-cycle downtime, benefiting both sides.
In bulk supply, product performance depends on process repeatability and strict adherence to international quality standards. Our labs monitor every production step, from raw intake all the way to finished product sampling, with certificates of analysis available for every shipment. Standard drum and fiberboard packaging fits most industrial dispensing systems; alternate packaging formats can be arranged for customers with automated dosing requirements. All shipments include batch-level labeling and anti-contaminant sealing according to relevant transit regulations. Shipping documents align with latest GHS and region-specific requirements, ensuring smooth import clearance and seamless onward use.
Managing the fine balance between production efficiency and reliability is a core element of our factory’s operating philosophy. Scaling for bulk requires more than just reactor space; it means sustained attention to process yields, cost structure, and supply chain resiliency. Continuous feedback from customers in agrochemical, pharmaceutical, and specialty chemical sectors keeps our production planning focused on what matters: on-time, consistent shipment at agreed-upon specifications. We recognize that project timelines in these industries allow little room for late deliveries or unexpected changes in material properties.
Sourcing 2-Chloronicotinic Acid from the primary manufacturer brings direct access to process expertise, flexible batch scheduling, and rapid technical support if process adjustments are needed. Stability in fulfillment, both in terms of lead time and material properties, sets the groundwork for mutual growth and operational trust.
Every drum of 2-Chloronicotinic Acid that leaves our production line carries the weight of years of chemical engineering and logistics experience. From synthesis to shipment, product integrity and safety begin in our warehouse. We store 2-Chloronicotinic Acid under cool, dry, and ventilated conditions, minimizing the risk of contamination or unexpected reactions. We select packaging that resists chemical attack and prevents leaks—typically, fiber drums or high-density polyethylene with sealed liners that withstand transport stress. Our facility maintains segregation protocols to avoid contact with incompatible substances and moisture, because even small lapses can trigger unwanted hydrolysis or degradation. We use real-time monitoring—temperature and humidity sensors record environmental variables, triggering alerts if the recommended thresholds are exceeded.
Shipping 2-Chloronicotinic Acid across borders means precision at every step. Our export team reviews the latest international regulations before each shipment, including agreements from the International Air Transport Association (IATA), International Maritime Dangerous Goods (IMDG) Code, and all relevant national agencies. No shipment leaves our gate without the up-to-date Safety Data Sheet (SDS), which fully reflects the latest hazard classifications and recommended control measures. Our SDS includes reference to the Globally Harmonized System (GHS) coding, as most customs authorities require clarity on hazard pictograms, composition, and emergency procedures in the official language of the destination country.
Packaging labels are printed in-house so all regulatory symbols, UN numbers, and handling instructions remain legible through transport. For 2-Chloronicotinic Acid, the UN number typically falls under the category for organochlorine acids—one error on paperwork causes unnecessary delays. We learn from every consignment, updating procedures as regulations evolve.
Export documents must stand up to thorough scrutiny — and we know from direct experience that customs officers notice inconsistencies. Every international consignment from our facility includes:
These documents are not just formalities—they provide traceability, facilitate customs clearance and reassure the end-user about quality. We archive all outgoing documentation in our digital records and can provide any historic batch paperwork for up to a decade.
Logistics costs rise, and documentation grows more complex. We address these challenges by investing in compliance software and ongoing staff training. Our technical team works directly with logistics partners to solve last-minute document issues or unexpected regulatory changes. By maintaining a consistent dialogue with transport firms familiar with hazardous goods, we avoid transit disruptions and chemical handling mistakes. We build these capabilities in-house—reluctant to hand critical safety or compliance work to outside parties.
Supplying 2-Chloronicotinic Acid internationally keeps us focused on rigorous quality control, real-world hazard management, and meeting or exceeding all regulatory requirements. Our approach stems from direct manufacturing experience—practical, tested, and consistently updated as the rules shift.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales7@bouling-chem.com, +8615371019725 or WhatsApp: +8615371019725
