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2-Chloro-5-Chloromethylthiazole

    • Product Name 2-Chloro-5-Chloromethylthiazole
    • Alias 2-Chloro-5-(chloromethyl)thiazole
    • Einecs EINECS 609-040-6
    • 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

    236314

    Productname 2-Chloro-5-Chloromethylthiazole
    Casnumber 1667-10-3
    Molecularformula C4H3Cl2NS
    Molecularweight 184.05
    Appearance Colorless to light yellow liquid
    Purity Typically ≥95%
    Boilingpoint 89-90 °C at 7 mmHg
    Density 1.45 g/cm3 at 25°C
    Refractiveindex n20/D 1.589
    Flashpoint 90 °C
    Solubility Insoluble in water; soluble in organic solvents
    Smiles ClCc1cnc(s1)Cl
    Storageconditions Store in a cool, dry, well-ventilated place; keep tightly closed

    As an accredited 2-Chloro-5-Chloromethylthiazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sealed amber glass bottle containing 100 grams of 2-Chloro-5-Chloromethylthiazole, labeled with hazard warnings and product information.
    Shipping 2-Chloro-5-chloromethylthiazole is shipped in tightly sealed containers, protected from light and moisture, and labeled with appropriate hazard warnings. It is transported in compliance with relevant regulations for hazardous chemicals, ensuring secure packaging to prevent leakage or exposure. Proper documentation and handling protocols are maintained throughout shipping to ensure safety.
    Storage 2-Chloro-5-Chloromethylthiazole 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 and moisture. Protect from direct sunlight and sources of ignition. Store under inert gas if moisture-sensitive, and ensure appropriate labeling and secondary containment to prevent leaks or spills in the storage area.
    Application of 2-Chloro-5-Chloromethylthiazole

    Applications of 2-Chloro-5-Chloromethylthiazole in Industrial Manufacturing

    2-Chloro-5-chloromethylthiazole is a critical intermediate in the chemical industry, valued for its specific reactivity profile and targeted use in several industrial supply chains. By integrating this raw material at precise stages of synthesis, downstream manufacturers can achieve regulated compliance and controlled quality in key sectors, including crop protection, pharmaceuticals, advanced dyes, and specialty agrochemicals. Below are the core manufacturing scenarios where this material plays an essential role.

    1. Synthesis of Neonicotinoid Insecticides

    Neonicotinoid insecticides production relies on 2-Chloro-5-chloromethylthiazole as a crucial thiazole-based alkylating intermediate. It participates in the condensation step for active ingredient molecules such as thiamethoxam and clothianidin, contributing to molecular frameworks defined by international crop protection standards. Production lines using this raw material focus on impurity profile control, requiring precise input based on active content analysis and optimal yield balancing. Strict documentation and batch traceability align with downstream customer audits for pesticide formulation plants.

    Industry compliance standards

    • FAO/WHO Specification for Plant Protection Products (FAO/WHO)
    • EU Regulation (EC) No 1107/2009 for pesticides
    • China GB/T 1604-2020 for pesticide technical material
    • ISO 9001:2015 Quality Management for chemical intermediates

    Typical usage ratio

    • 0.9–1.2 molar equivalents per active ingredient batch; adjusted based on intermediate purity and downstream catalyst loading

    Downstream process integration

    • Enters at the alkylation-condensation stage of API manufacturing; often introduced post-halide activation and handled with temperature-controlled feeding for stable conversion

    Final product types

    • Active neonicotinoid insecticides (thiamethoxam technical, clothianidin technical)
    • Formulated insecticidal suspensions and concentrates for agricultural use

    2. Intermediate in Pharmaceutical API Synthesis

    Specialty pharmaceutical manufacturing utilizes 2-Chloro-5-chloromethylthiazole during the assembly of thiazole-based heterocycles, particularly in the synthesis of select antiviral agents and diagnostic reagents. Large-scale API facilities incorporate the raw material at specific cyclization steps, maintaining compliance with pharmacopeial residues and solvent specifications. Batch production tracks the residence time and impurity carryover, with material dosing matched to both stoichiometry and solvent recovery plans. QA/QC protocols depend on traceable supplier documentation and analytical batch data.

    Industry compliance standards

    • Good Manufacturing Practice (GMP, EU EudraLex Volume 4)
    • United States Pharmacopeia (USP)
    • ICH Q7 guidelines for API production
    • China Pharmacopoeia (ChP) standards for starting and intermediate materials

    Typical usage ratio

    • Varies by route, typically 1.05–1.1 molar equivalents per thiazole core formed; fine-tuned per solubility and byproduct control

    Downstream process integration

    • Pipelined into controlled reactors for heterocycle formation; handled with glovebox transfer to limit hydrolysis and cross-contamination in cleanroom environments

    Final product types

    • API intermediates for anti-infective drug synthesis
    • Batch reagents for clinical diagnostics

    3. Reactive Intermediate for Specialty Azo Dyes

    Advanced dye manufacturing exploits the halomethyl reactivity of this raw material for the introduction of thiazole rings into complex azo chromophores. In the dye processing sector, formulators selectively dose the intermediate in the thiazolization step, optimizing color fastness and light stability in the end product. Production adheres to rigorous discharge and effluent standards, requiring precise charge calculations relative to chromogen mass and strict control of secondary amine handling during coupling.

    Industry compliance standards

    • Oeko-Tex Standard 100 (for restricted substances)
    • REACH Regulation (EC) No 1907/2006
    • ZDHC MRSL for textile processing chemicals
    • ISO 9001:2015 for specialty dye production

    Typical usage ratio

    • 0.8–1.3% weight-by-weight based on dye mass; process chemists adjust for thiazole substitution efficiency and target color intensity

    Downstream process integration

    • Dosed during the thiazolization pre-coupling step; monitored with real-time chromatographic verification of substitution completion

    Final product types

    • Reactive azo dyes for cotton and blended textile applications
    • High-performance pigment dispersions for industrial inks

    4. Thiazole Compound Manufacture for Fungicidal Seed Treatments

    In seed treatment formulation, 2-Chloro-5-chloromethylthiazole serves as a key ring-building block for the synthesis of thiazole-functionalized fungicides. Agrochemical plants introduce it in controlled synthesis vessels to generate intermediate scaffolds, feeding directly into slurries or microcapsule formation units. The integration complies with pesticide registration requirements, ensuring all process analytics meet both batch purity and harmful residue limitations.

    Industry compliance standards

    • OECD Guidelines for the Testing of Chemicals
    • FAO/WHO Specifications for Seed Treatment Agents
    • China GB 2763 Maximum Residue Limits for Pesticides
    • ISO 14001:2015 Environmental Management for agrochemical processes

    Typical usage ratio

    • 0.6–1.0 molar equivalents per fungicidal agent batch; adjusted based on conversion rates and kernel treatment formulation

    Downstream process integration

    • Added at the initial cyclization or ring-closure step in precursor synthesis, which directly feeds the finished seed coating material blend

    Final product types

    • Microencapsulated seed fungicides
    • Coated seed treatments for commercial agriculture
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    Certification & Compliance
    More Introduction

    Introducing 2-Chloro-5-Chloromethylthiazole: A Practical Perspective from Our Manufacturing Floor

    The Backbone of Modern Agrochemical Synthesis

    Every batch of 2-Chloro-5-Chloromethylthiazole that leaves our reactor tells a story of methodical process discipline and chemical insight. Over the years, we have watched this unique thiazole derivative quietly transform agricultural intermediates and pharmaceutical raw material lines in facilities around the world. Its appeal doesn’t come from headline-grabbing innovation, but from reliability and process efficiency under real industrial conditions.

    We work with compounds that form the foundations of major crop protection agents and specialty drug precursors. 2-Chloro-5-Chloromethylthiazole has emerged as an essential building block. Its core thiazole structure, enhanced by the presence of both chlorine and chloromethyl functional groups, reacts with high selectivity. This unique reactivity helps create bonds and frameworks that synthesize active ingredients for herbicides, fungicides, and related fine chemicals. In many active ingredient manufacturing routes, this product offers more than a shortcut—it delivers consistent yields, repeatable behavior, and fewer purification steps down the line.

    Model Consistency, Batch by Batch

    Our team oversees the production of 2-Chloro-5-Chloromethylthiazole with attention to what actually matters on the ground: reproducibility. Most of our output matches a purity level above 98 percent by GC, a number confirmed by third-party audits and in-house QC. Years of practical plant adjustments led us to use a multi-stage synthesis, emphasizing temperature control and controlled addition of chlorinating agents. Our consistent granule morphology and flow characteristics have eliminated unnecessary micro-blockages and storage issues, saving hours every quarter during plant downtime.

    Even trace byproducts such as thiazole isomers or residual solvents tend to be minimal in our product, thanks to gradual improvements in isolation and distillation. During scale-ups, we encountered challenges that looked minor on paper but created real bottlenecks in continuous runs. Tuning the reaction quench and optimizing phase separation were two aspects that improved stability under varying weather conditions, which matters more than people might guess, especially in less automated facilities.

    Application Breadth and Value in Downstream Syntheses

    While many clients use 2-Chloro-5-Chloromethylthiazole in the production of chlorothiazole-based herbicides, our product sees wide use in pharmaceutical precursor chains. It often serves as a strategic “midway” intermediate, with the two reactive sites on the ring enabling divergent synthesis pathways for heterocyclic compounds. The balance between the electron-withdrawing chloride and the versatile methyl-chloride side group gives chemists more than one coupling mechanism.

    Research divisions often ask whether handling or reactivity will require specialized equipment or additional containment. Our teams have tackled these questions in real time, not with theoretical answers, but with tweaks to our stabilization and packaging measures. Most clients incorporate our product into batch reactors or flow systems with existing glass lining and standard ventilation, given adherence to established thiazole safety procedures. The modest volatility and strong thiazole scent are handled through typical PPE and ventilation setups already on site in most chemical plants. We include enough technical guidance based on our own day-to-day handling to make on-boarding easy.

    Technical Differences that Matter

    Compared to mono-halogenated thiazole analogs, 2-Chloro-5-Chloromethylthiazole stands out in selective alkylation reactions. The presence of the chloromethyl group at position 5 opens up options for further functionalization, such as nucleophilic substitution or oxidative coupling, without sacrificing the inherent stability of the thiazole core. Many alternatives force compromise: too much reactivity at the ring can cause side products, while less active intermediates complicate later steps.

    We have tested competitors' products in-house. Some knock-off batches contain more residual thiazole or mixed chlorination byproducts, which can foul up downstream catalyst use and slow purification. Our route maximizes selectivity and keeps impurities below the detection limits for most end uses. This sets our material apart in those projects where analysts run tight LC-MS or NMR diagnostics to look for trace residuals, whether in fine chemical synthesis or advanced agrochemical R&D.

    Some might look at the cost per kilogram and wonder if thiazole intermediates are interchangeable. Our experience says otherwise. With the wrong isomer blend or higher side-product load, downstream yields drop and cleanup costs rise. One notable project required three times more time on chromatography after using non-selective suppliers, driving up overtime and stretching pilot timelines out by weeks. Minimizing these headaches supports scale and cost control at every step—for us and for every plant operator relying on us.

    Quality Control and Analytical Rigour

    Standard specs often fail to capture the subtle aspects that affect process performance. Our laboratory and production managers meet weekly to review analytics that range from GC-FID purity and water content to particle size and bulk density. Over the past few fiscal years, our lab invested in higher resolution NMR and LC-MS to track trace contaminants and batch consistency. Each shift, operators compare on-the-fly reactions with prior runs, making use of real process data rather than theoretical batch sheets.

    Tuning the batch cycle to customer feedback remains central. If a customer reports crystal clogging during feeding or traces of off-odors during solvent washes, our team traces the batch back, reviews log files, and, if needed, adapts the plant protocol. This closed feedback loop limits downtime for our customers and improves internal knowledge transfer. We have seen this increase customer satisfaction and improve the relationship between engineers, production managers, and end users.

    Shipment lots leave with product-specific certificates of analysis, but just as often, customers schedule direct sampling and joint inspection. We openly discuss results and provide sample co-chromatograms for transparency. This openness builds trust—nobody wants last-minute surprises during a scale-up or regulatory submission.

    What Sets Our Manufacturing Experience Apart

    Some companies optimize scheduling for volume alone. For a specialty intermediate like 2-Chloro-5-Chloromethylthiazole, we focus on risk and process control. Careful drum packaging and training on proper material transfer make a tangible difference in bulk up time. Our on-site technical support can deploy quickly for customers seeing unplanned stoppages, sending a real technician, not just a reference document. We speak directly with plant supervisors and provide suggestions grounded in years of our own mid-scale and commercial-scale campaigns.

    Long-term relationships with raw material suppliers mean more stable pricing for contracts over multiple years. Having built redundancy in raw chloride sources and thiazole ring precursors, we sidestep many common supply chain bottlenecks that disrupt production in the rest of the market. Emergency coverage agreements with logistics partners add resilience. Few clients ever worry about sudden allocation—our batch traceability and inventory controls back up supply promises.

    Regulatory Considerations and Safety Practices

    From our first multi-tonne campaign, we built our plant protocols with regulatory audits in mind. Regular training refreshers for plant crews include SDS review, simulated emergency run-throughs, and environmental emission monitoring. Many facilities using 2-Chloro-5-Chloromethylthiazole already run related thiazole derivatives, so adapting to our product fits into their usual regime. Still, our process safety documentation includes worst-case scenario checklists so customers can satisfy their local compliance requirements.

    On the environmental side, we reduced mother liquor discharge to minimal levels by recycling process solvents. Our wastewater treatment approach meets local and national discharge standards, and we share annual environmental impact statements with key clients on request. Every cycle, we gather data on off-gassing, drum integrity, and byproduct reclamation, which feed into continuous improvement.

    Our team stays updated on changes in chemical control regulations in all key markets. This close attention helps prevent customs or shipment hold-ups for cross-border deliveries, making us a trusted partner for clients navigating global compliance landscapes.

    Addressing Process and Performance Issues Proactively

    In production, differences become visible only with real use. A decade of troubleshooting with clients shaped our design for each new run. Common hiccups, like inconsistent particle size leading to poor flow, sparked process modifications. Our plant now uses sieving and post-drying steps that keep bulk density within tight targets, making feeding into reactors simple even for older equipment.

    Some customers route the thiazole derivative through automated metering or inline blending, where fine powder can cause bridging or dust release. Our granular variant fixes this issue, reducing operator cleanup and material loss. If an operator flags static clumping, we look at storage humidity and packaging tweaks. Custom solutions do not increase cost—they end up saving resources through reduced downtime and spills.

    A few years ago, clients flagged higher thiazole odor emissions during hot months. Using more robust liner bags and lower-diffusion outer drums, we cut this by about half. On-site support and regular calls handle day-to-day subtleties, not just standardized advice. Real feedback from hands-on operators keeps our solutions practical.

    Synergy in Joint Development and Scaling Efforts

    New agrochemical or pharmaceutical syntheses don’t appear out of nowhere. Project deadlines force teams to work fast. Our development chemists collaborate with customer process teams to troubleshoot and adapt intermediate blends that fit changing regulatory or process targets. If a project needs stricter halide control or side-chain purity adjustments, our teams reformulate batch cycles and share real output data.

    Flexibility in formulation isn’t just marketing. Overhauling crystallization and purification—not just hitting a number on the spec sheet—has helped weight-sensitive projects reach targeted yields and cost ratios. Feedback from pilot demonstrations cycles back into our next production design. Everyone benefits from openly shared error logs and process tweaks, fostering long-term improvements at both ends.

    Working in tandem with customers often reveals issues invisible from the lab: localized pressure bumps, heat transfer limitations, late-stage caking. These are flagged in real time, not months later. We maintain open lines for process troubleshooting, sharing the hard-earned lessons that help everyone eliminate bottlenecks and get projects over the finish line.

    Why Quality, Process Control, and Technical Partnership Matter

    Competing on price alone misses the real costs that show up when batch quality falters. More than once, a customer shared stories of delayed launches or wasted pilot lots after using cheaper intermediates. Our long-term repeat buyers highlight one lesson more than any: minimizing hidden cost and delivery risk is the only way to build sustainable operations. For many, running a few hours of extra purification does more than hurt margins—it derails schedules and ties up entire lines.

    People trust a team that publishes consistent, auditable process documentation and tracks their material performance through real-world feedback. Our methods have changed because plants and people needed them to change—every tweak reflects a lesson learned in process efficiency or performance.

    Technical advice shows its worth in those moments when plant supervisors must make quick calls. We offer real tips for minimizing waste and handling, not just a printout or a data table. This crew-to-crew contact drives actual gains in safety and margin for everyone involved.

    Looking Ahead: Innovation Rooted in Experience

    Demand for 2-Chloro-5-Chloromethylthiazole will likely grow as new actives and advanced intermediates enter the pipeline. Our strategy focuses on flexible manufacturing—helping customers scale up or adjust formulations as markets and regulations shift. More than just outputting tons, we aim for process integrity and direct partnership with every blend we ship.

    We see opportunity not in speculative features, but in smarter use of plant experience: improving technician training, tweaking process design, and maintaining resilience against disruptions like transport delays and regulatory checks. Every delivery—drum, tote, or bulk—reflects not only our chemical expertise, but daily learning from thousands of collaborative process hours on actual plant floors.

    Conclusion: Practical Value, Gained Over Time

    Producing 2-Chloro-5-Chloromethylthiazole as a manufacturer, we find practical value in what we can prove: reliability, yield, and technical backup that stand up to scrutiny in the plant, not just on paper. Our ongoing process improvements, technical support, and real-world troubleshooting shape a partnership that truly supports customer goals.

    Industry requirements keep evolving, and so do chemical processes. Our drive comes from working side-by-side with partners to address day-to-day plant issues, anticipating regulatory trends, and keeping quality steady at every step. Building trust through long-term performance, open analytics, and ongoing support makes 2-Chloro-5-Chloromethylthiazole a strong foundation for countless syntheses ahead.