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3-Chloro-2-Methylacetanilide

    • Product Name 3-Chloro-2-Methylacetanilide
    • Alias Acetochlor
    • Einecs 226-682-6
    • 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

    103129

    Chemical Name 3-Chloro-2-Methylacetanilide
    Molecular Formula C9H10ClNO
    Molecular Weight 183.63 g/mol
    Cas Number 7098-75-9
    Appearance White to off-white solid
    Melting Point 120-124°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles CC1=CC(=CC=C1NC(=O)C)Cl
    Inchi InChI=1S/C9H10ClNO/c1-6-4-3-5-7(10)8(6)11-9(2)12/h3-5H,1-2H3,(H,11,12)
    Synonyms 3-Chloro-o-toluidide, 3-Chloro-2-methylacetanilide
    Storage Conditions Store in a cool, dry place, tightly closed

    As an accredited 3-Chloro-2-Methylacetanilide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 500g of 3-Chloro-2-Methylacetanilide is supplied in a sealed, amber glass bottle with a tamper-evident cap and hazard labeling.
    Shipping 3-Chloro-2-Methylacetanilide should be shipped in tightly sealed containers, protected from heat and moisture. Ensure compliant labeling as per hazardous material regulations. Shipping should follow local and international chemical transport guidelines, with secondary containment and proper documentation. Handle with care to avoid spills, exposure, or contamination during transit.
    Storage 3-Chloro-2-Methylacetanilide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect it from moisture and direct sunlight. Store at room temperature and keep away from heat sources. Clearly label the container, and ensure access is restricted to trained personnel. Use appropriate personal protective equipment when handling.
    Application of 3-Chloro-2-Methylacetanilide

    Applications of 3-Chloro-2-Methylacetanilide in Industrial Manufacturing

    As an established manufacturer, we supply 3-Chloro-2-Methylacetanilide directly to leading producers in specialty agrochemicals, advanced pharmaceutical intermediates, and fine chemical synthesis. Below, we detail specific industrial downstream applications, including industry standards, formulation ranges, operational process steps, and the main finished products for each segment.

    1. Herbicide Intermediate Production in Agrochemical Synthesis

    Plant protection companies use this compound as a core intermediate during the synthesis of selective acetanilide-based herbicides, particularly in C2 and C3-substituted anilide molecules for pre-emergence grass weed control. Production adheres to national agricultural input management frameworks and must ensure trace-level control of related aniline impurities. Producers add it to multi-stage condensation reactions, regulating ratios based on the chloro-substituent reactivity profile and target herbicidal activity. Finished formulation plants downstream convert these intermediates into granules or EC (emulsifiable concentrate) products used in maize, sorghum, and sugarcane cultivation systems.

    Industry compliance standards

    • China Pesticide Registration Regulations (GB 2763 for residue limits)
    • EU Regulation (EC) No 1107/2009 (plant protection product approval)
    • EPA 40 CFR Part 180 (USA tolerances and exemptions for pesticide chemical residues)
    • ISO 9001:2015–certified agrochemical manufacturing

    Typical usage ratio

    • Intermediates synthesis: 0.6–1.2 molar equivalents per mole of final herbicidal compound precursor, with adjustments based on required selectivity index and impurity threshold set by downstream QC

    Downstream process integration

    • First enters during N-acylation or catalytic coupling with methylisocyanate or chloroacetic acid derivatives; follows controlled heating, quench extraction, and subsequent cyclization prior to downstream formulation

    Final product types

    • S-metolachlor and analog selective chloroacetanilide herbicides
    • Emulsifiable concentrates (EC), suspension concentrates (SC), granulated pre-emergence herbicides
    • Co-formulated weed control agents for cereal crop applications

    2. Synthesis of Pharmaceutical Intermediates for Active Pharmaceutical Ingredients (APIs)

    API manufacturers employ 3-Chloro-2-Methylacetanilide as a regulated intermediate in custom syntheses, including certain non-steroidal anti-inflammatory drug (NSAID) core structures and advanced intermediates in antipyretic/analgesic research. Integration follows strict pharmaceutical GMP standards and ICH Q7 guidelines, with precise stoichiometric control in batch hydrogenation or condensation, ensuring compliance with residual solvent and genotoxic impurity limits. Downstream, customers convert this material into high-purity API-grade intermediates and finally into tableted or encapsulated medicines for regulated markets.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Directives, Part II (for intermediates)
    • Pharmacopoeia monographs where relevant (USP, Ph.Eur. where applicable)
    • ISO 9001:2015–certified pharmaceutical chemical manufacturing

    Typical usage ratio

    • Batch synthesis: 0.3–1.0 molar equivalents per unit step, titrated for maximum substrate conversion and minimum overchlorination as determined by in-process HPLC monitoring

    Downstream process integration

    • Used in first- or second-step carbonylation, often prior to amide bond formation; material added during condensation with carbamoyl or acetyl donors, prior to chromatographic purification and crystalline isolation

    Final product types

    • NSAID precursor intermediates (e.g., for diclofenac or related analogs)
    • Bulk pharmaceutical intermediates (BPIs) suitable for further derivatization in API synthesis
    • API-grade pharmaceutical raw materials for subsequent tablet or capsule formation

    3. Fine Chemical Synthesis for Specialty Dye Intermediates

    Producers of high-purity organic dyes utilize this substance as an acetanilide base structure in synthesizing azo and anthraquinone dyes, valued for their solubility and unique shade profiles in plastics, textile coloration, and specialty coatings. Manufacturing follows chemical handling requirements for aromatic amines and dyestuff intermediates, with addition rates fine-tuned by desired hue strength and stability post-coupling. Integration occurs during early diazotization or electrophilic substitution, after which customers finish pigment modification and dispersion for commercial dye formulations.

    Industry compliance standards

    • REACH Regulation (EU) No 1907/2006 for chemical import, registration, and safe use
    • EN 71-3 Safety of Toys: Migration of certain elements (relevant for dye residues in plastics)
    • OEKO-TEX® Standard 100 (chemical safety in textile and leather applications)
    • ISO 9001:2015–backed quality management for dye manufacturers

    Typical usage ratio

    • Dye intermediate synthesis: 0.8–1.3 moles per mole of diazo coupling partner, adjusted depending on target pigment depth and substitution pattern in the final chromophore

    Downstream process integration

    • Introduced in the initial diazotization and coupling stage, after which the substituted anilide undergoes salt formation or sulfonation to yield intermediate dye bases before final formulation/dispersion

    Final product types

    • Monoazo and disazo dye intermediates for plastics and fiber coloration
    • Specialty pigments for coatings and paints
    • Color-fast textile dyes complying with international regulations

    4. Chemical Synthesis of Veterinary Drug Precursors

    Animal health product manufacturers integrate this compound within the multi-step synthesis of specific anilide-class veterinary pharmaceuticals, particularly as a reactive intermediate in antiparasitic and anti-inflammatory agent development for livestock and companion animals. Processing falls under VICH GL guidelines for veterinary drug quality, incorporating careful measurement of amide precursor addition to avoid carryover impurities. The material is usually included in initial or midpoint coupling and cyclization steps, followed by further purification and salt formation ahead of downstream formulation into suspension or injected solutions for veterinary clinics and commercial animal farming.

    Industry compliance standards

    • VICH GL GMP Guidelines for Active Pharmaceutical Ingredients used in veterinary drugs
    • Relevant national veterinary pharmacopoeias (e.g., European Veterinary Pharmacopoeia)
    • FDA 21 CFR 514 (New Animal Drug Applications, USA)
    • ISO 9001:2015-certified veterinary fine chemical production

    Typical usage ratio

    • Veterinary intermediate synthesis: 0.5–1.1 mol equivalents per step, set based on individual vet-drug synthesis route, taking into account downstream loss and impurity specifications

    Downstream process integration

    • Added during initial cyclization or amidation steps, with subsequent solvent extraction and purification cascades; final salt formation prepares the intermediate for direct formulation

    Final product types

    • Anilide-based antiparasitic drug precursors
    • Active substances for veterinary injectable solutions
    • Bulk intermediates for oral or topical veterinary pharmaceuticals
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    Certification & Compliance
    More Introduction

    Introducing 3-Chloro-2-Methylacetanilide: Proven in Industrial Synthesis

    The Heart of Proven Chemistry: Model and Authenticity

    3-Chloro-2-Methylacetanilide stands out in the acetanilide derivatives category, valued among process engineers and development chemists for its reliability and the straightforward nature of its chemistry. With a molecular formula of C9H10ClNO and a solid consistency in crystal form, this compound provides a defined resource for synthesizing specialty intermediates. Many manufacturers rely on it for its clean reactivity profile and ease of isolation, reducing the noise that often complicates downstream processing. The compound appears as a pale, almost white powder with a melting point that remains steady batch after batch, which reflects carefully managed process control from raw material sourcing through to final packaging.

    Unfiltered Facts from Our Reactors

    Those who formulate with 3-Chloro-2-Methylacetanilide appreciate that the inputs tell the story of the end-use value. At the manufacturing scale, purity levels across production lots remain tightly managed (typically exceeding 98% by HPLC analysis). Such consistency gives technical teams the flexibility to refine processes without worrying about variable feed quality, avoiding headaches for both R&D and QC departments. Because we invest in closed-loop monitoring at every critical stage, trace contaminants — especially heavy metals, residual solvents, and reactive byproducts — stay beneath detectable thresholds.

    During synthesis, raw aniline undergoes acylation, followed by a meticulous chlorination step and precise methylation. Each stage faces its own technical hurdles. For instance, temperature control during chlorination directly impacts product structure, as side-chain chlorination leads to off-target molecules which complicate purification and jeopardize downstream conversion rates. Experienced operators in our plant closely monitor reactor parameters, adjusting as data comes in rather than running by rote. The result: each lot comes through with expected assay, color, and particle distribution.

    Applications That Demand More Than Just Purity

    Our clients in the agrochemical and specialty intermediate sectors use 3-Chloro-2-Methylacetanilide to build more complex molecules. It serves as a key building block for a range of active ingredients and additives, many of which end up in global agricultural and industrial supply chains. Where regulatory agencies and technical buyers scrutinize traceability and impurity profiles, our compound makes the grade without caveats. Because the molecule’s backbone houses both a chloro and a methyl group in defined, adjacent positions, process chemists can pursue selective transformations. N-acetylation stabilizes the molecule, allowing for safer handling and more predictable downstream behavior — especially when scaling from pilot to commercial runs.

    Take export-grade herbicide synthesis as an example. Reliable intermediates mean less time and fewer resources tied up in re-work or corrective testing. Downstream users report higher yields, lower off-spec batches, and cleaner product separations when the starting material comes from facilities like ours, where both real-time analytics and strict batch records frame each release. Our product’s track record isn’t just a claim on paper — technical partners have shared case studies where switching to this grade reduced batch cycle variance by over 15%.

    Why Experience in Manufacturing Matters

    You can’t cut corners with 3-Chloro-2-Methylacetanilide. Novice operations often see yield drops and higher impurity levels, largely because minor temperature variations or careless solvent choices leave unreacted starting material or create unwanted isomers. Our operators bring decades of combined real-world troubleshooting to every batch. They can spot early signs of color change or foaming that hint at runaway reactions before sensors flag a reading.

    Sometimes buyers ask why our compound costs more than generic options. The answer lies in the process: we favor closed reactors and high-purity starting chemicals, invest in staff certifications, and accept lower throughput to protect quality. Such choices show up in measured impurity levels and reproducible performance under scaled conditions. For facilities moving toward stricter ISO or cGMP standards, these factors outweigh saving a minor percentage on material costs — nobody wins if customer audits or analytical reruns slow product launches.

    Clear Differences from Lookalikes

    Comparing 3-Chloro-2-Methylacetanilide to closely related alternatives such as simple acetanilide analogs, you notice specific distinctions not only in structure but also in how they behave under synthesis conditions. The dual substituent effect — with both a methyl and a chloro group on the aromatic ring — grants unique electronic properties. This subtle shift matters in catalytic systems and affects reaction selectivity toward downstream products.

    Some users have run trials with similar intermediates, such as 2-methylacetanilide without the chloro group or 3-chloroacetanilide lacking methylation. Reports come back with issues ranging from sluggish reactions to side-chain breaking, poorer yields, or contamination by hard-to-remove byproducts. We’ve worked side-by-side with process chemists remedying these situations, identifying that the precise substitution pattern in our product produces stable intermediate formation and limits unwanted reactivity.

    This difference gets even starker in kinetic studies and stress tests, where our compound stays intact over extended temperature ramps and repeated solvent changes. Fewer unexpected byproducts translate to less solvent waste, lower handling costs, and smoother purification protocols.

    Specifications That Save Time and Reduce Waste

    We supply 3-Chloro-2-Methylacetanilide with a moisture content consistently below 0.25%, measured just before packing. As caking and lump formation compromise handling in the field, we maintain dedicated climate controls during storage and transportation. Through controlled drying and thorough sieving, the powder maintains free-flowing texture, feeding smoothly into feeders and reactors without bridging or roll-back. Such attention to downstream effects reflects knowledge built over hundreds of shipments and steady customer feedback.

    Our standard particle size distribution avoids dust generation but isn’t so coarse as to hinder dissolution. With bulk densities in a practical range, operators don’t adjust equipment or deal with dosing irregularities. Where customers require sub-200 micron grades for specialized blending or pelletizing, we prepare tailored cuts, but the majority, including those in continuous process plants, rely on our regular milling grade.

    Glass transition points, heat stability, and other physical markers remain tightly logged. We back up claims with full certificate-of-analysis documentation, referencing in-house HPLC, GC-MS, and FTIR data, certifying no cross-contamination from other lines. This practice came about after a run-in years ago, when a shared line at another manufacturer produced a mystery impurity, forcing an entire lot to disposal. Since then, dedicated equipment for each product line stands as policy.

    Supporting Innovation and Sustainable Progress

    Sustainability isn’t just a throwaway phrase here. Chemical manufacturing comes with the potential for significant waste streams and emissions. Over time, our internal process audits have led to genuine progress: solvent recycling remains standard, and process water tracks through closed loops before treatment. Energy-efficient reactor heating and cooling, often overlooked at smaller plants, has cut our annual output of waste heat by measurable kilojoules per kilogram product.

    We’ve partnered with downstream customers intent on reducing lifecycle environmental impact. By maintaining low impurity levels and keeping reactions clean, the downstream need for energy-intensive purifications (repeated distillations, high-volume extractions) drops. This reduces solvent use, lessens hazardous waste, and speeds up both plant operations and regulatory approvals. Such efforts line up with the increasing regulatory focus on green chemistry and sustainable sourcing.

    Why Our Product Keeps Earning Repeat Customers

    After years supporting process development teams, we’ve learned that most technical buyers care less about minor price differences and more about reliability with each drum or bag delivered. Mixing line operators recall the brands that run smoothest and chemists remember which sources required the least troubleshooting or rerun workups. Feedback from every batch gets logged, not just through digital forms but also during on-site visits, technical workshops, and plant-wide reviews.

    Mistakes have happened; no operation scales without the unexpected. One early challenge involved a new dryer producing a different crystal habit, slowing dissolution rates. Customer phone calls began rolling in. Internal teams cross-referenced SOPs, identified the root wrongdoer, and tweaked equipment parameters months before the same pattern could have flowed into routine production. Since then, we’ve kept an open-door approach — every process tweak or supplier change gets shared in customer meetings so no one’s caught off guard.

    Challenges in the Supply Chain and Adaptive Solutions

    The past several years have introduced fresh challenges for every chemical producer. Raw material volatility, logistics slowdowns, and changes in global regulatory requirements together push every part of the workflow. Never before have we spent more time qualifying backup suppliers for the main precursors or mapping alternative shipment routes. Sourcing aniline and acetyl chloride in purity grades above 99.9% puts upward pressure on lead times and cost, but the downstream reliability, especially with sensitive pharmaceutical and agricultural routes, makes these steps essential.

    Stop-gap measures — rushing through a process, lowering grade requirements, or holding off essential QC steps — create bigger headaches in the long run. Our approach means sometimes saying no to orders we can’t meet on spec or on time, pointing buyers instead toward available stock held at distribution partners. This transparency, while sometimes uncomfortable, has strengthened customer loyalty over the long run. Reliability and open communication prevent unexpected gaps for customers, saving both sides from rushed last-minute substitutions or emergency reformulations.

    Advantages When Working Side-By-Side with Manufacturers

    Buyers who develop a direct relationship with the actual manufacturer — not just a trading house — consistently report higher satisfaction. We don’t just ship boxes and invoices; most large orders come after months of back-and-forth on specs, trial shipments, test batch results, and even plant visits. Our team tracks customer formulations, storing samples and analytical data for years to enable quick troubleshooting in the future.

    Instead of waiting for slow approvals and responses from middlemen, customers gain from fast feedback, honest timelines, and flexible solutions to emerging requirements. For some industrial projects, small custom runs or rapid process tweaks secure market advantage. Our technical support never relies on form letters; plant managers or lab chemists regularly hop on direct calls to iron out oddities or push for process improvements.

    The Ongoing Future of Acetanilide Chemistry

    Research into aromatic anilide derivatives remains active, with new regulations and greener processes continually influencing what gets made and how. A growing number of projects seek high-performance intermediates that minimize waste, deliver predictable yields, and withstand scrutiny under tightening regulatory regimes. Our facility’s data-driven process design and documented change control history set us up to supply the next wave of projects with the kind of technical oversight and responsiveness customers now expect as baseline.

    Process safety reports and environmental compliance data flow with each order, assisting technical buyers to comply rapidly with evolving chemical control laws. As more end-users insist on full disclosure of sourcing and validated environmental impacts, our habits — routine emissions measurements, solvent recycling, traceability logs — shift from “nice-to-have” to required.

    A Manufacturer’s Perspective: Why 3-Chloro-2-Methylacetanilide Earns Its Place

    Every kilogram we ship carries the weight of hard-earned plant experience and persistent technical improvement. Customers don’t have to ask if the solubility will shift from batch to batch, or whether micro-impurities will throw off a scale-up trial. The specifics go deeper than raw stats or certificates; they reflect a work culture committed to careful process development, hands-on troubleshooting, and respect for what’s really at stake in commercial-scale chemistry. 3-Chloro-2-Methylacetanilide doesn’t just fill a commodity order: it helps technical teams build reliable, auditable synthesis routes, preserve product quality further down the chain, and manage growing regulatory and sustainability pressures without facing surprise delays or unplanned rework.

    Those who have shifted from less controlled or inconsistent sources to our material rarely look back. With every order, we prove — through measurable batch consistency and direct technical support — why seasoned manufacturers always carry a real edge over trading houses and general resellers. Experience, process knowledge, and a culture of ongoing improvement are the factors that shape products capable of standing up to the highest industrial expectations.