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2-(Chloromethyl)Benzoyl Chloride

    • Product Name 2-(Chloromethyl)Benzoyl Chloride
    • Alias α,2-Dichlorotoluene-1-carboxylic acid
    • Einecs 221-202-2
    • 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

    784000

    Cas Number 2924-72-3
    Molecular Formula C8H6Cl2O
    Molecular Weight 189.04 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 156-158°C at 20 mmHg
    Density 1.336 g/cm3 at 25°C
    Solubility Reacts with water, soluble in organic solvents
    Refractive Index 1.578
    Flash Point 82°C
    Purity Typically ≥98%
    Smiles C1=CC=C(C(=C1)C(=O)Cl)CCl
    Un Number UN 3261
    Hazard Statements Causes severe skin burns and eye damage

    As an accredited 2-(Chloromethyl)Benzoyl Chloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 100g of 2-(Chloromethyl)Benzoyl Chloride, with a tamper-evident seal and hazard labeling.
    Shipping 2-(Chloromethyl)Benzoyl Chloride is shipped as a hazardous material, typically in tightly sealed, corrosion-resistant containers. It should be stored and transported under cool, well-ventilated conditions, away from moisture and incompatible materials. Proper labeling and shipping documentation are required, and handling must comply with relevant regulatory and safety guidelines for toxic and corrosive substances.
    Storage 2-(Chloromethyl)benzoyl chloride should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from moisture, heat sources, and incompatible materials such as strong bases, strong oxidizers, and water. It should be kept out of direct sunlight and separate from food or drink. Use secondary containment and label all containers clearly. Handle only in a chemical fume hood.
    Application of 2-(Chloromethyl)Benzoyl Chloride

    Applications of 2-(Chloromethyl)Benzoyl Chloride in Industrial Manufacturing

    2-(Chloromethyl)Benzoyl Chloride supports specialized manufacturing in advanced chemical industries, providing a reactive benzoyl source for high-performance intermediates. Our facility supplies this compound for downstream synthesis where control over purity, compliance, and molecular reactivity are critical. Below are key industry applications based on real-world production needs and regulatory requirements.

    1. Pharmaceutical Intermediate Production (Benzamide Derivative APIs)

    Leading drug manufacturers incorporate this raw material in synthetic routes for benzamide-class active pharmaceutical ingredients. The chloromethyl functionality allows for efficient nucleophilic substitution, enabling precise formation of bioactive molecular cores during multi-step reactions. Operators often use this compound in amide bond-forming conditions, where stability and reactivity balance are essential for GMP-compliant processes. Effective process integration requires validated purification steps to control residual chloride and comply with ICH impurity guidelines.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for APIs
    • US FDA 21 CFR Part 210/211 for drug substance handling
    • EU EudraLex Volume 4 (Annex 13 for intermediates)
    • USP/NF monographs for related benzamide compounds

    Typical usage ratio

    • 1.0 – 1.2 molar equivalents per API batch, adjusted based on side-reaction control and impurity profile

    Downstream process integration

    • Charged to amidation or alkylation step following intermediate isolation from previous sequence
    • Requires in-process monitoring for conversion efficiency and removal of unreacted chloride

    Final product types

    • Anti-inflammatory agents (benzamide drugs)
    • CNS therapeutics with benzoyl backbone
    • Antibacterial APIs involving benzoyl amide formation
    • Contract-manufactured pharma intermediates

    2. Agrochemical Synthesis (Herbicide and Pesticide Building Blocks)

    Agrochemical formulators use this raw material to produce benzoyl-substituted intermediates that underpin modern herbicide and insecticide molecules. The chloromethyl function provides a reactive site for introducing target-specific side chains, supporting precise control over final molecule structure and field stability. Strict quality and traceability requirements govern its use, due to regulatory focus on residual impurities and environmental fate.

    Industry compliance standards

    • FAO/WHO Guidelines for the Registration of Pesticides
    • REACH registration (EC No. 1907/2006), Annex VII-VIII for substances
    • ISO 17025 for quality-controlled analytical testing
    • China GB 2763 residue standards for agricultural chemicals

    Typical usage ratio

    • 0.9 – 1.1 equivalents relative to active ingredient precursor, often optimized for conversion and environmental residue minimization

    Downstream process integration

    • Introduced at benzoylation or ring substitution step after heterocycle synthesis
    • Post-reaction purification using solvent extraction and distillation to meet impurity limits

    Final product types

    • Benzoyl-based herbicide molecular scaffolds
    • Precursor intermediates for broad-spectrum insecticides
    • Custom agrochemical actives
    • Seed treatment compounds with substituted benzoyl structures

    3. Liquid Crystal Alignment Materials for Electronics Displays

    Display manufacturers use specialized benzoyl chloride derivatives to synthesize alignment agents for LCD and OLED panels. The chloromethyl group provides a handle for further chemical modification, producing tailor-made polyimide or polyamide materials. These alignment agents require strict molecular weight and dispersity control as well as minimal ionic residue to maintain electronic performance.

    Industry compliance standards

    • IEC 62341 and JVCEA guidelines for display material components
    • RoHS Directive (EU 2011/65/EU) restriction on hazardous chemicals
    • ISO 9001:2015 for QC management in electronic materials
    • JIS C6242 for flat-panel display manufacturing

    Typical usage ratio

    • 10–15% by weight in polyimide precursor feedstock, subject to chain length and electro-optical requirements

    Downstream process integration

    • Charged at condensation polymerization step to introduce reactive side chains
    • Alignment layer casting and baking on glass or flexible substrates

    Final product types

    • Polyimide-based liquid crystal alignment films
    • High-purity electronic display alignment coatings
    • Photo-alignment materials for advanced OLED screens
    • Custom electronics-grade polymer modifiers

    4. Specialty Polymer Additive Manufacturing (Crosslinking Agent for Advanced Resins)

    Producers of specialty resins and high-grade polymers employ this reagent as a crosslinker in applications where controlled reactivity enables network formation at lower processing temperatures. The chloromethyl group serves as a reactive moiety that, under carefully monitored conditions, anchors polymer chains or branches, improving mechanical properties and chemical resistance. Industrial users must maintain rigid control of process temperatures and reaction times for consistent batch quality.

    Industry compliance standards

    • ISO 14001 for environmental management of batch processing
    • ASTM D638 & D790 for polymer mechanical property validation
    • GMP for specialty chemical additive production
    • UL 94 testing for flammability where applicable in resin end-use

    Typical usage ratio

    • 0.5–3.0% by mass in finished resin formulation; ratio dependent on required crosslink density and physical property targets

    Downstream process integration

    • Added to prepolymer melt or solution prior to main polymerization or curing phase
    • Requires post-reaction neutralization and vacuum drying to remove unreacted residues

    Final product types

    • High-performance epoxy and polyester resins for industrial tooling
    • Engineered plastics for automotive and aerospace
    • Chemical-resistant polymer coatings for anticorrosion
    • Electrical encapsulants with enhanced thermal stability
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    Certification & Compliance
    More Introduction

    Introducing 2-(Chloromethyl)Benzoyl Chloride from a Manufacturer’s Viewpoint

    Working Closely with 2-(Chloromethyl)Benzoyl Chloride: A Perspective from the Production Floor

    In the daily buzz of our chemical plant, certain products always draw more attention from our operators, engineers, and partners. One of these is 2-(Chloromethyl)Benzoyl Chloride. Over years in this business, our team has handled many benzoyl chloride derivatives, but this compound earns its place on the production schedule for good reason. With the chemical formula C8H6Cl2O, its chloromethyl group is mounted on the aromatic ring, making it a valuable building block in organic synthesis. Those handling advanced specialty chemicals soon recognize the impact of these subtle shifts in molecular structure.

    Balancing production safety and output, we have tuned our manufacturing process for 2-(Chloromethyl)Benzoyl Chloride to produce consistently reliable batches. By using top-quality feedstocks and monitoring purity at each stage, we usually achieve a purity of 98% or higher. Those in the industry know, consistent purity matters well beyond paperwork—it affects reaction yield, reduces downstream purification headaches, and makes batch-to-batch performance predictable.

    What Sets 2-(Chloromethyl)Benzoyl Chloride Apart?

    Chemists often compare it with its close relatives: benzoyl chloride itself or benzyl chloride and similar derivatives. Adding a chloromethyl group to the benzoyl structure opens new reaction routes. For those synthesizing complex molecules, that chloromethyl handle brings both reactivity and selectivity. Its dual acyl chloride and benzylic chloride moieties allow for selective transformations, enabling chemists to find routes that are impossible with straightforward benzoyl chloride.

    Operators on our lines notice the difference. Where regular benzoyl chloride’s strong odor and volatility make containment a daily challenge, 2-(Chloromethyl)Benzoyl Chloride behaves with its own quirks. It demands a sharper focus on temperature control; it can hydrolyze if exposed to moisture and releases HCl gas, but with careful design of reactors, we keep reaction yields high and minimize emissions. Compared to some halogenated aromatic acid chlorides, storage stability meets industry expectations if containers are sealed tightly and stored away from direct humidity sources.

    Practical Uses: A View from the Lab and Field

    Over time, we’ve shipped this material to a wide range of customers, from innovation-driven pharmaceutical research divisions to established agrochemical ingredient plants to pioneers in specialty materials. Its role in the pharmaceutical sector comes from its usefulness as an intermediate in the synthesis of active pharmaceutical ingredients, where the chloromethyl group can introduce complexity or act as a site for further modification. Medicinal chemists appreciate this, as it lets them develop molecules with fine-tuned properties, with each subtle change in structure affecting everything from enzyme binding to solubility.

    Agrochemical engineers benefit, too. The benzoyl functionality serves in herbicide and pesticide precursor manufacture, supporting efficient construction of selective molecules. For those working on polymer chemistry and specialty materials, it offers reactive sites for custom monomers and advanced resins—this is where the differences from benzoyl chloride and benzyl chloride become truly significant.

    As a manufacturer, we receive feedback directly from formulation chemists balancing cost, yield, and performance. They often share stories of reduced process time and fewer purification steps compared to working with less functionalized or more volatile acyl chlorides. Jobs that would otherwise need multiple protection/deprotection steps sometimes move faster with 2-(Chloromethyl)Benzoyl Chloride, especially where that extra benzylic position is key.

    Safe Handling and Real-World Process Experience

    Anyone familiar with acid chlorides expects them to react with moisture, often producing fumes that demand tight containment. Our training programs for plant staff reinforce handling best practices—wearing splash protection, operating in well-ventilated areas, and preparing for HCl gas release are part of the daily routine. In a typical campaign, small leaks or spills are managed quickly since the material can irritate skin and eyes on contact. Inhalation risks can be controlled with modern air handling and monitoring technology. This all comes from experience and not just textbook procedures.

    On a large scale, we load pack drums under dry nitrogen and check container seals during storage audits. Recent updates in our factory include improved scrubber efficiency and leak detection, which allow us to push batch sizes higher while keeping risks manageable. Distribution partners and direct customers know these standards mean they get a product that performs—and one backed by years of operational know-how.

    The Importance of Purity and Batch Consistency

    Industry partners often ask about batch variance and impurity profiles. Irregularities in manufacturing can lead to traces of 2-chloromethylbenzoic acid, unreacted benzoic acid, or related side products if moisture or process temperatures fluctuate. Over the years, we have improved our condensers and in-line filtration systems to ensure these contaminants remain at minimum concentrations. Not only does this protect users from having to do further purification; it also improves overall process economics.

    In the context of pharmaceutical use, it’s well known that impurity levels must remain controlled to avoid contamination further down the synthesis chain, especially when regulatory oversight is involved. Our lab routinely performs HPLC and GC tests on production lots, sharing these results with critical customers. This culture of data sharing comes from both compliance demands and real trust built over long-standing industry relationships.

    Sourcing and Supply Chain Thoughts

    Chemistry supply chains have seen volatility over the past decade. Changes in regulations, raw material sourcing, and transportation affect everything from cost to delivery time. As manufacturers, we buy basic aromatics and chlorinating agents directly. Maintaining reliable partnerships with basic chemical plants gives us flexibility to absorb some upstream price swings, helping our clients buffer against sudden spikes or shortages. The real test came during tight times, such as major port closures or new export controls, but having inventory management built on years of demand tracking meant continuity—our partners didn’t run short.

    Feedback from users often shows that price stability matters just as much as chemical quality. No one wants the hassle of halting a multi-step synthesis due to a delivery hiccup or product inconsistency. By standardizing our raw material intake and tracking each lot through automated systems, we support planners and chemists who don’t want surprises. This reliability builds repeat business and closer working relationships—much more valuable than just a one-off transaction.

    Differences from Other Benzoyl Chloride Derivatives

    Years working on the shop floor highlight the subtle but real differences among benzoyl chloride derivatives. Scientists thinking of using 2-(Chloromethyl)Benzoyl Chloride sometimes also consider simple benzoyl chloride, benzyl chloride, or other substituted acyl chlorides. The introduction of the chloromethyl group radically shifts reactivity at both the molecular and operational level. This gives synthetic chemists greater flexibility to perform stepwise functionalizations or cross-coupling reactions.

    For example, straightforward benzoyl chloride reliably acts as an acylating agent, while benzyl chloride mostly offers alkylation, but 2-(Chloromethyl)Benzoyl Chloride can play both roles, depending on the planned transformations. New ligands, building blocks for liquid crystals, and precursors for advanced pharmaceuticals all rely on these differences. Our process engineers validate every run, making sure that this dual functionality carries over batch after batch, without sacrificing safety or ease of use.

    End-users in the R&D sector often share real-world examples of exploitative differences. Working with just benzoyl chloride can mean extra protection steps for complex syntheses, while 2-(Chloromethyl)Benzoyl Chloride often lets them introduce two separate functionalities in a shorter number of steps. Through years of support for these teams, we’ve seen their innovation cycles get quicker and more efficient—which helps everyone bring new products to market sooner.

    Environmental Concerns and Sustainability Steps

    For a manufacturer, waste streams and environmental controls are front and center, not just compliance documentation. Producing 2-(Chloromethyl)Benzoyl Chloride generates acid gases and chlorinated by-products, which must be captured, neutralized, and disposed of responsibly. Years ago, we ran open-loop systems, but tighter rules and a companywide push for sustainability led us to invest in closed-loop scrubbing and solvent recovery units.

    We use activated carbon beds and caustic scrubbers to trap volatile organic compounds, keeping atmospheric emissions below regulatory triggers. Recovering solvents and recycling wash streams cut down on hazardous waste volumes, which matters both for cost and corporate responsibility. We regularly invite outside auditors and share our environmental data with local industry groups. These steps let us maintain production volumes without trading away long-term site safety or community goodwill.

    End-users increasingly expect green credentials alongside chemical performance. Our engineering teams have tested less hazardous chlorination alternatives, aiming to reduce both input toxicity and downstream residue. Each step takes investment, but customers who value transparency see the benefit—knowing their supply isn’t just meeting minimum legal checks but actively reducing environmental impact.

    Trust Built out of Daily Operations

    A chemical like 2-(Chloromethyl)Benzoyl Chloride demands hands-on attention, not just automated controls. From calibrating dosing pumps to triple-checking final bottling lines, our experienced technicians carry knowledge that comes only from years on the job. Some joined as apprentices and now mentor the next generation, teaching finer points such as how to spot “off” colors on crystals or subtle odor shifts indicating possible impurities.

    This constant oversight runs from the head office to the night shift—preventing problems before they become production losses. Regular cross-team meetings allow for feedback from logistics, lab analytics, process control, and customer relations, so we uncover opportunities for improvement before small errors become systematic problems. By encouraging reporting and sharing, performance improves, and we maintain integrity across production lots.

    User Experiences in the Field

    Anyone synthesizing fine chemicals or APIs knows just how important reliability is in upstream intermediates. Over dozens of projects, formulation teams using our 2-(Chloromethyl)Benzoyl Chloride have reported faster reaction sequences, cleaner end products, and fewer off-target side reactions compared to generic or off-brand alternatives. Field reports, sometimes backed by test certificates and sometimes simply by narrative feedback, show how small procedural changes at our plant ripple out into better results for finished product makers.

    Pharmaceutical innovators highlight the importance of quickly pivoting from lab to pilot scale. With our direct support, they get analytical data, batch samples, and technical adjustment advice. Our own technical staff have joined customer calls to talk through scaling or troubleshooting, not just reading from a manual but drawing on lived experience. For those moving from research to production, having this guidance proves invaluable—saving time and reducing risk of rework.

    Continuous Improvement as a Mindset

    Plants that stand still get left behind. As chemistry evolves and market demands shift, we adapt production methods and invest in new equipment. Small productivity gains add up over years, whether by shaving minutes off a distillation run or raising process yields by one or two percent. Collecting and acting on operator insights, we’ve introduced remote sensors, predictive maintenance tools, and real-time analytics that let us spot drifts before they trigger off-spec batches.

    Investment in staff skills runs in parallel. Technicians study reaction mechanisms, compliance, and equipment operation as part of training cycles, sharing best practices across teams. Riding these improvements together helps maintain output quality, control costs, and keep our safety record strong, no matter how production demands grow.

    Understanding Industry Standards and Market Trends

    No manufacturer operates in a vacuum. Regulatory shifts or new analytical techniques often start as whispers among technical staff, slowly working their way into daily routines. We watch these trends closely; whether it’s tighter limits on residual chlorides in APIs or stricter storage safety codes, updating our protocols lets us stay ahead of industry changes. Technical partners often appreciate our willingness to consult rather than dictate—offering guidance on both compliance and practical usage born out of the same regulatory scrutiny we experience.

    In the broader market, the demand for specialized aromatic building blocks continues to rise. Clients working on patent-protected drugs and next-generation materials look for suppliers who can provide more than just “good enough.” Our commitment to high-purity 2-(Chloromethyl)Benzoyl Chloride matches this need, helping innovators reach targets that less specialized sources can’t meet without substantial rework.

    Real-World Challenges and Solutions in Supplying 2-(Chloromethyl)Benzoyl Chloride

    The chemical industry doesn’t offer a roadmap for every operational twist. Between maintenance outages, raw material hiccups, or last-minute customer requests, flexibility matters just as much as engineering rigor. Some production runs demand late-night shifts; others mean quick rerouting of finished material to meet sudden demand spikes. Benchtop chemists rarely see this, but on the shop floor, it’s routine. Our teams have streamlined documentation and built redundancies into batch traceability, cutting down on lost hours during inspections or audits.

    Product packaging has evolved with customer feedback—smaller pack sizes for R&D labs, bulk containers for manufacturing lines. Our in-plant logistics include backup stock holding, regular cycle counting, and temperature monitoring, so quality holds throughout storage and transit. We keep lines of communication open with buyers, making adjustments based on shifting needs, regional climate impacts, and transportation risks.

    Forward Outlook: Supporting Future Chemistry

    Innovation happens on both sides of the equation. End-users continuously develop new applications, while process engineers and plant operators search for ways to drive quality, efficiency, and sustainability. We share knowledge openly with partners, investing in joint development projects and supporting custom synthesis work. For example, providing tailored impurity profiles or custom packaging has helped several clients advance from pilot to commercial scale faster.

    By placing users’ needs and workplace safety at the heart of production, we continue earning trust across market segments. This approach also drives our investment in greener processes and ongoing staff development. Our reputation depends not only on meeting specifications but also on providing insight, reliability, and real partnership.

    Supporting Reliable, Innovative Chemistry

    Every plant shift, every tightened seal, and every QC report contributes to the reliability of the chemicals we supply—including 2-(Chloromethyl)Benzoyl Chloride. As manufacturers, we know success comes not just from the molecules leaving our gates, but from the downstream productivity and innovation they enable. Over years, our expertise in handling, purifying, and shipping this compound has grown—and with input from the chemists and engineers we serve, it continually adapts.

    How we produce and deliver 2-(Chloromethyl)Benzoyl Chloride reflects decades of learning and direct engagement with clients’ evolving needs. This partnership-based approach lets teams focus on what they do best, knowing the materials they rely on come from a supplier as invested in their success as they are.