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2-Amino-6-Chloropyridine

    • Product Name 2-Amino-6-Chloropyridine
    • Alias 6-Chloro-2-aminopyridine
    • Einecs 219-678-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    553978

    Chemicalname 2-Amino-6-Chloropyridine
    Casnumber 4563-59-1
    Molecularformula C5H5ClN2
    Molecularweight 128.56
    Appearance Light yellow to beige solid
    Meltingpoint 61-65°C
    Boilingpoint 276°C
    Density 1.32 g/cm3
    Purity Typically ≥98%
    Solubility Slightly soluble in water, soluble in organic solvents
    Synonyms 6-Chloro-2-aminopyridine
    Smiles NC1=NC=CC(Cl)=C1
    Inchi InChI=1S/C5H5ClN2/c6-4-2-1-3-8-5(4)7/h1-3H,7H2
    Storagetemperature Store at room temperature
    Refractiveindex 1.624

    As an accredited 2-Amino-6-Chloropyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 2-Amino-6-Chloropyridine is packaged in a sealed, amber glass bottle, containing 100 grams, labeled with hazard and identification details.
    Shipping 2-Amino-6-Chloropyridine is shipped in tightly sealed containers, protected from moisture and light. It is classified as a hazardous substance and must be handled according to regulatory guidelines, including proper labeling and documentation. Shipping may require segregation from incompatible materials and adherence to relevant safety and environmental transport regulations.
    Storage 2-Amino-6-chloropyridine should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect from moisture and direct sunlight. Ensure proper labeling and keep away from sources of ignition. Store in accordance with local regulations and institutional guidelines for hazardous chemicals.
    Application of 2-Amino-6-Chloropyridine

    Applications of 2-Amino-6-Chloropyridine in Industrial Manufacturing

    2-Amino-6-chloropyridine serves as a targeted intermediate in several fine chemical and pharmaceutical production chains. As the direct manufacturer, we supply this material in industrial batches to downstream sectors where high-purity, well-controlled intermediates support strict compliance and robust end-product performance.

    1. Pharmaceutical Intermediate for Antitubercular Agents

    This compound functions as a key building block in the synthesis of antitubercular drug molecules, including certain first-line and second-line agents. It introduces a chlorinated pyridine ring structure into pharmaceutical cores, providing chemical stability and aiding specific pharmacokinetics. Downstream formulators integrate this ingredient via multi-step reactions, typically by N-alkylation, amidation, or further halogenation processes, under GMP protocols. The stringent control of input substance quality and traceability supports regulatory filings and consistent batch release in the manufacture of active pharmaceutical ingredients (APIs).

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP, ICH Q7A)
    • FDA 21 CFR Part 211 (Finished Pharmaceuticals)
    • European Pharmacopoeia (Ph. Eur.) monographs where applicable
    • REACH Registration for chemical intermediates

    Typical usage ratio

    • Employed at 1.2–1.8 molar equivalents in multi-step synthesis based on target API yield efficiency; precise ratio depends on process optimization, impurity profile, and scale-up parameters

    Downstream process integration

    • Charged in the initial heteroaromatic ring formation or as the chloropyridine moiety donor in N-acylation or cyclization steps
    • Usually followed by purification, crystallization, and identity testing of the synthesized intermediate

    Final product types

    • Isoniazid derivatives
    • Second-generation fluoroquinolone antibiotics
    • Other pyridine-based antitubercular APIs

    2. Agrochemical Synthesis Precursor (Herbicides and Fungicides)

    Specialty agrochemical manufacturers apply this compound to construct heterocyclic scaffolds in selective herbicide and fungicide actives. Through nucleophilic substitution or amide coupling, the material delivers the required amino-chloro substitution pattern to final actives tested for field stability and plant safety. Tight control of impurity content and consistency supports large-scale formulation under sectoral regulations. Analytical quality assurance aligns with hazardous material management at the formulation site.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009 (authorization of plant protection products)
    • ISO 9001:2015 (Quality management for agrochemical ingredients)
    • Globally Harmonized System (GHS) for classification and labelling

    Typical usage ratio

    • Occasionally applied at 0.8–1.3 mol equivalents per downstream synthetic step, adjusted to limit waste and control reaction exotherm during scale-up

    Downstream process integration

    • Included in batch reactors during formation of the core heterocyclic structure before functionalization to final active substance
    • Combined with sulfonyl or ester groups via condensation or halide exchange

    Final product types

    • Pretilachlor (herbicide intermediates)
    • Pyridine-based systemic fungicide actives
    • Seed treatment chemical intermediates

    3. Dye and Pigment Intermediate for Specialty Colorants

    2-Amino-6-chloropyridine is a core intermediate in the development of specialty organic dyes used in textiles, inks, and coatings. Precision in the amino and chloro substituents enables efficient further substitution, facilitating diversified chromophore synthesis via diazotization, coupling, or condensation reactions. Major downstream users rely on tight production controls to ensure color fastness, solubility, and environmental compliance of final dye batches, with full documentation supporting regulatory and customer audits.

    Industry compliance standards

    • OEKO-TEX Standard 100 (for restricted substances in textile dyes)
    • REACH Annex XVII (restrictions on azo dyes and colorants)
    • ISO 9001:2015 (Process and batch QC management)
    • ZDHC (Zero Discharge of Hazardous Chemicals) Manufacturing Restricted Substances List (MRSL)

    Typical usage ratio

    • Added at 1.0–1.2 mol equivalents per colorant core in intermediate formation; dosage may be adjusted based on color yield, chromophore intensity, and byproduct minimization

    Downstream process integration

    • Supplied for initial aromatic amination during chromophore backbone construction
    • Undergoes further ring modification and coupling with diazotized compounds

    Final product types

    • Azo dyes for synthetic and natural fibers
    • Special effect pigments for industrial and automotive coatings
    • Solvent-based organic inks for technical printing

    4. Specialty Chemicals for Electronics Industry: Heterocyclic Conductors

    Manufacturers of electronics-grade functional materials integrate 2-amino-6-chloropyridine to build polymerizable precursors or functionalized aromatic spacers for use in conductive materials and advanced resins. Its electron-withdrawing and -donating substituents facilitate further derivatization into heterocyclic conductors, benefiting device miniaturization and flexible printed circuits. Downstream process requirements emphasize high-purity supply, batch-to-batch consistency, and detailed COA traceability.

    Industry compliance standards

    • IEC 61249-2-21 (materials for printed boards)
    • RoHS Directive 2011/65/EU (substance restrictions in electrical/electronic equipment)
    • IPC-4101 (base materials for laminates and prepregs)
    • ISO/TS 16949 (Quality Management for automotive electronics where relevant)

    Typical usage ratio

    • Utilized at 0.9–1.5 mol equivalents in precursor synthesis, with ratio refinement based on conductivity target and molecular weight distribution in final resin or oligomer

    Downstream process integration

    • Fed into monomer synthesis reactors for functional polymer formation
    • Advanced as a nucleophilic aromatic substitution partner during construction of polymerizable heterocycles

    Final product types

    • Poly(pyridine)-based conductive polymers
    • Specialty resin intermediates for microelectronic circuits
    • Photoinitiator additives for advanced lithography chemicals
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    Certification & Compliance
    More Introduction

    2-Amino-6-Chloropyridine: Practical Advantages from the Manufacturer’s Perspective

    Introduction to 2-Amino-6-Chloropyridine in Our Daily Production

    Chemical manufacturing requires focus, discipline, and a steady hand. Every batch matters, and few building blocks show their value repeatedly like 2-Amino-6-Chloropyridine. We see its pale-yellow powder coming through our drying lines and think about all the research, troubleshooting, and time behind every kilogram. With a molecular formula of C5H5ClN2, this pyridine derivative has carved out a place for itself as an essential intermediate. In conversations with R&D chemists, purchasing managers, and hands-on process engineers, the stories always revolve around reliability, consistency, and performance in downstream reactions.

    From our manufacturing floor, 2-Amino-6-Chloropyridine stands out not just by purity but by its stubborn resistance to side reactions. Plenty of pyridine derivatives bring their own baggage—some sulk in the corner of the mixing tank, settling out, or they drift off with the solvents. This compound stays in the mix, doing its job. It doesn't surprise us that demand keeps ticking upwards from pharmaceutical innovators and agrochemical developers alike. The balance between amine and chloro functionality means it's reactive enough to serve as a linchpin in complex molecule construction but stable enough to handle the long haul of warehouse storage and long-distance shipping.

    Production Journey: From Raw to Refined

    Making 2-Amino-6-Chloropyridine each day takes more than just reactors and feeding pumps—it takes viewpoint honed by watching thousands of batches go through quality steps. We source our precursors primarily from domestic suppliers with long-term ties. On arrival, materials go through wet chemistry spot checks and rigorous chromatographic validation. Our synthesis routes have shifted over the years. Direct amination and stepwise nucleophilic substitution both dominate our records. The more experience we gather, the more we lean toward process routes that favor cleaner profiles—fewer tars, crisper end points, and less downstream scraping.

    The rough stages sort themselves out in reactor bays. The final finishing steps truly stress our attention to technical details. We adjust temperature ramps carefully; we watch pressure gauges float by the hour. Our distillation columns run hot, drawing fractions until the 2-Amino-6-Chloropyridine signals hit the detectors just right. We've sacrificed yield sometimes to make purity bulletproof. Our specifications almost always run above 99%. Moisture hovers at less than half a percent, rarely nudging higher even in monsoon months. No off-notes or trace impurities that throw off finished reactions for our customers.

    Key Specifications and Signature Traits

    A lot can be said about the way a product behaves under analytical scrutiny. HPLC and GC readings form our daily rhythm. Melting point checks are standard—ours regularly lands in the expected 101-105℃ range, rarely deviating. Density and bulk properties slip into batch records for customer audits. Shelf stability means our drums hold up under long-term storage without caking or discoloration.

    Through years of feedback from users, we keep making adjustments that matter. Dust minimization steps lower operator exposure. Particle sizing tech ensures powders pour cleanly and disperse quickly. These are not trivial improvements. They save time, reduce waste, and protect people who handle the chemical every day. Our model of 2-Amino-6-Chloropyridine prioritizes these worksite realities—it's a product designed to work smoothly, whether measuring out a single kilo or loading an entire tonne for scale-up.

    Utilization in the Field: Pharmaceuticals and Agrochemicals

    Most conversations about 2-Amino-6-Chloropyridine swing to its use as a key intermediate. It takes a starring role in the construction of many pharmaceuticals, particularly in antihistaminic, antiviral, and anti-inflammatory projects. Our production team maintains direct lines with formulation chemists at several development companies. They share stories of how consistent quality upstream lets them take risks and innovate downstream. Fewer headaches from variable intermediates means more predictable synthesis routes.

    On the agrochemical side, 2-Amino-6-Chloropyridine serves for crop protection agents, insecticides, or herbicidal candidates. Early trials in the field rely on an intermediate’s purity—impurities in the core building block trickle through to the end-product, impacting not just yield but also efficacy and, crucially, regulatory acceptance. We have seen international buyers run their own GC and LC-MS checks before purchase. Our sales team knows we stand up to scrutiny batch after batch. This isn’t marketing talk; we fill out COA paperwork with genuine data every time.

    Making a Difference: Learning from Challenges

    Working through difficulties on the factory line teaches things the manuals don’t. Peaks in product demand during pandemic years taught us where supply lines can strain—and why backup inventories matter more than ever. One tight quarter, glassware shortages pushed us to improvise reactor setups. The pressure to maintain precise timing never leaves us. Temperature swings in the storage warehouse prompted us to switch packaging from simple PE-lined bags to moisture-barrier composite liners. Small changes, but they protected a lot of product over especially humid seasons. Our biggest learning has been to see each order not as a routine shipment, but as a solution to someone else’s problem or a launchpad for their new project.

    Out in the world, chemical intermediates don’t work in a vacuum. New pharmaceutical candidates fail or succeed on the tiniest fluctuations in chemical feedstock. Our team recalls a major client’s project where tighter nitrosamine limits kicked in—the regulations changed halfway through a production run. Our technical group revisited every synthetic step, cutting out any side-reactions that risked trace nitrosamine carryover. In the end, it was a few process tweaks—sharper temperature holds and an extra purification pass—that kept us within spec. That experience stuck with us, and improvements made for one customer soon became our regular practice.

    Standing Apart: What Sets Our Product Aside from Other Pyridine Derivatives

    Many pyridine compounds crowd the specialty chemical market. Each has its fingerprint, and not every one suits the needs of complex synthesis. Take 2-Chloropyridine or 2-Aminopyridine—both bring unique reactivities but do not play the same role as 2-Amino-6-Chloropyridine. Our product stands apart in the way it combines two reactive groups at the right positions: 2-amino for nucleophilic substitution and 6-chloro for subsequent selective couplings. This makes it a dual-threat intermediate.

    We have supplied clients who tried to make do with simpler pyridine derivatives. Often, they came back to request technical assistance after battling low conversion rates or troublesome side-products. 2-Amino-6-Chloropyridine solves these issues by opening more straightforward pathways to target molecules, lowering the total number of steps in multi-stage synthesis. Our technical team supports these claims with years’ worth of customer case studies and independent analyses.

    Other differences show up in the details. Certain suppliers handle only small-batch synthesis, unable to keep quality steady when orders scale. We have invested in both kilo-lab facilities and fully automated large-scale plants. This means no surprises in purity between early R&D samples and commercial drum lots. We also operate on a closed-cycle solvent recovery system, sharply lowering waste and cost—a feature buyers often appreciate once they factor in their own EHS requirements.

    Supporting Scientific and Regulatory Demands

    Regulatory landscapes shift constantly, especially in pharmaceutical and agricultural spaces. We’ve worked with clients under reach, GMP, and even various FDA mandates. Every time standards rise, so does our testing intensity. Trace metal content, residual solvents, and non-volatile impurities fall within stricter and stricter windows. We never hide behind minimum specs.

    Our analytical chemists verify every lot by HPLC, GC-MS, FTIR, and melting point. We retain long-term sample archives in climate-controlled rooms—helpful not just for audits, but for after-sales technical queries. Tracking each batch to its origin, we maintain digital and hard-copy records. This depth makes us confident in fielding regulatory questions about production provenance or stability. Just as importantly, we build custom test protocols for customers running early-stage research programs, so they don’t face surprises when moving into pilot or production scale.

    Environmental and Safety Commitments in Production

    Producing chlorinated and aminated intermediates brings direct EHS responsibilities. Our workers spend time onsite, not at desks miles away. We implemented closed ventilation units and real-time detection alarms in key handling areas. Personal protective equipment usage is mandatory at all times, not a formality. Handling energy-efficient jacketed vessels has saved us headaches in heat management and cut gas consumption—safety and stability go hand in hand.

    Waste handling also occupies priority treatment. Our byproduct streams head to in-house treatment facilities, where chemical neutralization steps and water polishing ensure outflows remain below discharge limits. Authorities perform frequent spot checks, but our own staff have stopped several issues long before inspectors noticed. We routinely retrain operators on best handling procedures, and feedback loops with the technical team result in process upgrades designed for worker safety just as much as for reducing costs.

    We connect with community groups from time to time, especially during scheduled maintenance periods when emissions briefly peak. Open communication fosters good relations and keeps everyone alert to the environmental realities of running a modern chemical plant.

    The Human Side of Manufacturing

    Even after years in the business, it’s clear to us that machinery and process flowcharts only tell part of the story. The people stirring batches, calibrating meters, collecting samples, and managing records form the backbone of our entire operation. Many of our long-term staff remember the earliest days, when batches were maybe 20 kilos at most, compared to the much larger runs today.

    Our seasoned line workers spot small anomalies—slight shifts in powder texture or color—that analytical machines may only catch hours later. Our process chemists lead regular walkthroughs, stopping to troubleshoot with operators and listen to their suggestions. Retaining this talent comes down to more than paychecks—it’s about listening, supporting continued professional development, and recognizing key contributions openly.

    Quality culture trickles down to everything from raw material inspection to cleaning reaction vessels. We set standard procedures but always listen to input from those doing the work. Incremental progress makes a world of difference on the final product that arrives at a client’s site.

    Global Perspectives and Market Growth

    The increasing worldwide attention to innovation in pharmaceuticals and crop protection has shifted demand for reliable intermediates like 2-Amino-6-Chloropyridine. Our routine orders now ship to partners across North America, Europe, and Asia. Globalization brings its own challenges—customs paperwork, documentation harmonization, and the logistical complexities of temperature and humidity changes during long-haul transit.

    One of the most interesting trends we track comes from conversations with our logistics personnel. They regularly report back on shipment delays on certain routes due to sudden regulatory holds or port congestion. Flexibility in dispatch dates, secondary suppliers for packaging materials, and close monitoring of transit conditions all factor into making sure product arrives intact and on time.

    Through trade shows, webinars, and industry groups, we’ve compared notes with peer manufacturers. The clear message is that customers increasingly value stable production capabilities, clarity in documentation, and visible commitments to both safety and environmental protection. Our approach remains practical: shore up plant reliability, keep records transparent, and field every technical query with openness and substance.

    Supporting End-Users: Stories from the Application Field

    We have often stepped in when downstream partners needed customized packaging—smaller jars for specialty research or sift-proof drums for bulk applications. Some customers, faced with tight production windows, have turned to us for expedited batch releases or last-minute documentation. Our technical representatives, often traveling to customer sites, bring back crucial first-hand information. Real-world application stories have shaped countless updates in how we finish, pack, and ship 2-Amino-6-Chloropyridine.

    One agricultural partner ran into trouble with batch-to-batch consistency using another source; crop yields dipped, and it prompted an urgent investigation. Their findings showed minor impurity fluctuations driving the unreliability. We worked through sample batches and third-party tests to pinpoint and eliminate the root causes, earning that partner’s trust for the years since. In pharmaceutical circles, similar stories repeat—where a single out-of-spec batch can derail clinical trial timelines. Our rigorous adherence to release specs has kept production running smoothly.

    Prospects for Future Development

    Looking ahead, research into new applications for 2-Amino-6-Chloropyridine continues at pace. Lead optimization in medicinal chemistry, exploration in high-performance polymers, and innovation in new crop protection formulations drive interest and investment. We remain ready to adjust synthesis methods, adopt greener solvents, and scale up or down as needs shift.

    Continuous improvement defines our approach. Every audit, every customer feedback, every unforeseen disruption informs our process modifications. Investments in process automation, analytical upgrades, and advanced operator training keep us at the forefront of consistency and reliability.

    Closing Reflections: Experience from the Factory Floor

    Manufacturing 2-Amino-6-Chloropyridine reads as a technical challenge on paper, but lived reality brings complexity and satisfaction in equal measure. Tight control over every input, keen observation at every stage, and open communication both inside the plant and out make all the difference. Our best innovations have nearly always come from a close understanding of real-world needs—technical, practical, and human alike.

    Every drum shipped carries the weight of all that experience and effort. This is the real foundation for consistent reliability, traceable records, and confident partnership with industries pushing the boundaries of what’s possible in chemistry.

    Summary: What End-Users Can Expect from Our 2-Amino-6-Chloropyridine

    End-users looking for 2-Amino-6-Chloropyridine count on more than specs—they look for a partner with deep technical know-how and real accountability. Our history, adjustable manufacturing capability, and focus on continuous learning make us reliable. We respond to both routine and urgent customer needs with solutions forged from direct experience on the factory floor, not just from data sheets. This approach defines the difference in a marketplace crowded with generics.