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2-Chloro-N-(4-Methylphenyl)Acetamide

    • Product Name 2-Chloro-N-(4-Methylphenyl)Acetamide
    • Alias p-Chloracetotoluidide
    • Einecs 220-739-6
    • 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

    587218

    Chemical Name 2-Chloro-N-(4-Methylphenyl)acetamide
    Molecular Formula C9H10ClNO
    Molecular Weight 183.64 g/mol
    Cas Number 61953-85-7
    Appearance White to off-white solid
    Melting Point 108-110°C
    Synonyms N-(p-Tolyl)-2-chloroacetamide
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Storage Conditions Store in a cool, dry place, keep container tightly closed
    Smiles CC1=CC=C(C=C1)NC(=O)CCl
    Inchi InChI=1S/C9H10ClNO/c1-7-2-4-8(5-3-7)11-9(12)6-10/h2-5H,6H2,1H3,(H,11,12)

    As an accredited 2-Chloro-N-(4-Methylphenyl)Acetamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled “2-Chloro-N-(4-Methylphenyl)Acetamide, 100g,” with hazard warnings, batch number, and manufacturer details displayed.
    Shipping 2-Chloro-N-(4-Methylphenyl)acetamide is shipped in tightly sealed containers, protected from moisture and direct sunlight. It is classified as a hazardous material and must be handled following standard chemical shipping regulations, including clear labeling and documentation. Transport should comply with all local, national, and international safety guidelines for chemical substances.
    Storage 2-Chloro-N-(4-Methylphenyl)acetamide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect it from light and moisture. Ensure the storage area is clearly labeled and access is restricted to trained personnel. Always use appropriate chemical storage practices, including secondary containment when necessary.
    Application of 2-Chloro-N-(4-Methylphenyl)Acetamide

    Applications of 2-Chloro-N-(4-Methylphenyl)Acetamide in Industrial Manufacturing

    As an established manufacturer of 2-Chloro-N-(4-Methylphenyl)Acetamide, we support production across specialty chemical sectors. Our technical grade material meets industrial requirements for downstream synthesis and formulation, contributing to high-value finished products. The following application areas outline its real-world integration in differentiated fields.

    1. Pharmaceutical Intermediate for Analgesic APIs

    2-Chloro-N-(4-Methylphenyl)Acetamide serves as a critical intermediate in the synthesis of certain non-opioid analgesic active pharmaceutical ingredients. Many API manufacturers rely on its predictable chlorinated profile to enable selective amide transformations via nucleophilic substitution and condensation. Integration occurs during the multi-step organic synthesis, where the compound provides essential reactivity for structural modification leading to final API crystallization. Stringent handling and documentation ensure regulatory acceptance, with traceability from initial batch to final dose form validated under national and international protocols.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP <1> and <621> for identification and purity testing
    • European Pharmacopoeia monographs for intermediates
    • REACH Registration (when supplied in the EU)

    Typical usage ratio

    • Typically 0.15–0.4 mol equivalent per mol target API, adjusted for yield, process losses, and reaction route

    Downstream process integration

    • Introduced during core intermediate formation stage for stepwise synthesis of p-methylphenyl-based APIs

    Final product types

    • Bulk pharmaceutical grade API powders for analgesics
    • Clinical trial material batches
    • Finished tablets and capsules after subsequent formulation

    2. Agrochemical Intermediate for Herbicide Synthesis

    The compound's structure provides a reliable node for chlorinated amide linkage during herbicide precursor synthesis, particularly in the manufacture of selective phenylacetamide derivatives. Agrochemical formulators introduce this material in the controlled formation of amide bridges for pre-emergence weed protection products. Precise stoichiometric control and analytical verification mitigate risks of residual contaminants, aligning with registration dossier requirements and best practices for active constituent traceability in agricultural applications.

    Industry compliance standards

    • ISO 9001:2015 Quality Management
    • FAO/WHO Specifications for plant protection product intermediates
    • EU Regulation EC 1107/2009 on plant protection product active substances
    • OECD Principles of Good Laboratory Practice (GLP) for development

    Typical usage ratio

    • 0.18–0.30 mol ratio relative to primary agroactive moiety, tailored as per targeted substitution and plant safety assessments

    Downstream process integration

    • Fed into the amide coupling step prior to functional group derivatization and final herbicide formulation

    Final product types

    • Technical grade herbicide active ingredients
    • Emulsifiable concentrates for field spraying
    • Granulated wettable powders

    3. Fine Chemical Intermediate for Dye and Pigment Manufacture

    In the dye industry, 2-Chloro-N-(4-Methylphenyl)Acetamide acts as a nucleophilic acylation building block in the creation of specialty azo and anthraquinone colorants. Manufacturers add this compound during diazo-coupling or condensation stages to help anchor chromophore systems on aromatic substrates, resulting in high tinctorial strength and photostability. Industrial colorant producers monitor residual chlorine and amide group purity using HPLC and GC, with batch documentation matched to textile, plastics, and ink regulatory parameters.

    Industry compliance standards

    • ISO 9001 Certified Colorant Manufacturing
    • REACH compliance for pigments and dyes
    • ZDH/UNI/ISO 14001 for environmental controls
    • Regulatory guidelines for restricted aromatic amines in end-use (e.g., EU 2002/61/EC)

    Typical usage ratio

    • 0.10–0.25 molar ratio, defined by colorant synthesis type and desired shade intensity; adjusted post-lab scale-up

    Downstream process integration

    • Charged at azo-coupling or backbone extension stage for pigment and dye precursor formation

    Final product types

    • Powdered azo pigments for plastics coloration
    • Anthraquinone dyes for textile applications
    • Printing inks for industrial use

    4. Synthesis Precursor in Specialty Polymeric Additives

    Manufacturers of performance polymer additives incorporate this compound as a functionalized intermediate tasked with introducing chlorine-bearing phenylacetamide groups into target copolymers. Its use enables selective modification of physical and chemical properties including UV resistance, plasticity, and flame retardancy in engineered resins. QC teams supervise full traceability and conduct detailed spectrometric analysis to validate residual monomer content and overall batch conformity as required for critical automotive, construction, and electronics applications.

    Industry compliance standards

    • ISO 9001:2015 Certified Manufacturing Operations
    • UL 94 flammability test compliance (where relevant)
    • RoHS and REACH regulations for product safety and material composition
    • ASTM D256 for mechanical testing in plastics

    Typical usage ratio

    • Normally 0.05–0.12 part by weight per part monomer, precisely calibrated per resin system and desired additive function

    Downstream process integration

    • Blended at the modifier addition stage before or during polymerization, depending on functional endpoint

    Final product types

    • Modifier masterbatches for polyamide and PVC systems
    • Polymer-bound UV stabilizers
    • Functional additives for flame retardant compounds

    5. Precursor for Veterinary Drug Intermediate Synthesis

    Animal health API producers utilize the compound during the preparation of specific veterinary drug intermediates where aromatic amide functionalization is required. Technical teams employ it under tightly controlled reaction and documentation protocols to align with national VICH (Veterinary International Cooperation on Harmonization) requirements for traceability, impurity profiles, and environmental stewardship in the production of livestock and companion animal pharmaceuticals.

    Industry compliance standards

    • VICH GL3 (GMP for Active Pharmaceutical Ingredients in Animal Health)
    • FDA 21 CFR Part 514 and Part 558 for veterinary drug manufacturing
    • EU Directive 2001/82/EC for veterinary medicinal use
    • WHO GMP risk management for APIs

    Typical usage ratio

    • Between 0.13–0.22 mol/mol target intermediate, defined by downstream structural requirements and regulatory impurity limits

    Downstream process integration

    • Applied at initial or secondary step of key intermediate formation for veterinary active synthesis

    Final product types

    • Veterinary API intermediates for cattle and poultry medicines
    • Formulated injectable solutions
    • Veterinary oral solid dosage pre-blends
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    Certification & Compliance
    More Introduction

    2-Chloro-N-(4-Methylphenyl)Acetamide: A Manufacturer’s Perspective

    Understanding What Sets 2-Chloro-N-(4-Methylphenyl)Acetamide Apart

    Manufacturing 2-Chloro-N-(4-Methylphenyl)Acetamide brings a unique set of responsibilities few outside the plant will really grasp. Every batch moves from raw input to finished material under careful oversight, not only because of purity requirements but because small changes in inputs or handling can ripple downstream into the end application. Veteran chemists in our facility learned long ago that the way we synthesize, filter, and dry this compound tells the real story during customer scale-up. That’s why consistency, not just purity, grabs our attention.

    Our teams began producing this fine chemical over a decade ago to meet rising demands for specialized aromatic amides in pharmaceutical and agrochemical projects. Over that time, recipes changed in only minor ways after validation. The best approach is always gradual: keep the core process robust, adjust purification as our partners raise the bar, and invest in environmental controls. The steps we follow today — precise chlorination, exacting temperature maintenance during acetylation, and controlled crystallization — each leave a fingerprint on the final product’s quality.

    Product Model and Specifications

    We cultivate each lot of 2-Chloro-N-(4-Methylphenyl)Acetamide to meet strict analytical benchmarks. The material itself appears as a pale or off-white crystalline powder, with appearance reflecting everything from ambient humidity to post-synthesis storage. Internal testing relies on HPLC and NMR every time, not only to verify purity well above 98% but to confirm there’s no trace of byproducts or solvents.

    Water content and melting point measurements back up analytical data. We target narrow ranges — often 1% or less for residual solvent, no more than a trace of moisture — because previous projects have taught us sharply where contamination sneaks in during transfer or packaging. Every specification mirrors real-world handling: project partners can’t afford a surprise in humidity or unexpected reactivity from trace impurities.

    Why Customers Turn to This Material

    Over the years, the majority of our industrial and research clients approach us looking for a compound with reliable reactivity profiles. Many of them use 2-Chloro-N-(4-Methylphenyl)Acetamide as an intermediate in the synthesis of biologically active molecules. Key factor: the chlorine group provides a controlled handle for further transformations through nucleophilic substitution, amide coupling, or cross-coupling reactions. Not all substitutes or analogues give the same ease of later modification, and those who synthesize API (active pharmaceutical ingredient) precursors or pesticide candidates often value this flexibility.

    The methyl group on the aromatic ring influences both stability and reactivity. We saw time and again that substituted acetamides handle harsher process conditions, yet don’t introduce unpredictability later in functionalization. Most direct alternatives, such as unsubstituted 2-chloroacetanilide, miss this subtle balance. Our clients report fewer purification headaches later, particularly during scale-up, when they pick this structure.

    Manufacturing Observations: Control, Precision, and Learning From Experience

    Production here never falls beneath a microscope, both literally and figuratively. Small details in the synthetic route — whether solvent ratios, timing, or precipitants — leave visible marks on both assay results and long-term yield stability. Operators have to adjust for environmental drift, sometimes minute by minute if temperature in the plant skews outside optimized points. Human eyes and quick adjustments still play a part, beyond automated monitoring.

    For example, chlorination steps must run cool yet steadily. Any deviation, such as a warming tank or residual iron in feedstock, favors unwanted byproduct formation. We recognized — through more than one overhaul — that managing this temperature balance saves hours (and prevents waste) later in isolation. Several years ago, an equipment upgrade gave us tighter thermal control, which immediately showed up as higher purity scores and reduced endpoint off-colors, improving not only the perception but real downstream yields for our partners.

    We train new technicians with simple truths: spot a problem early, pause, and never rush a filtration. In real operations, corners cut during dilution or drying can lead to solids caking, which later complicates customer solubilization. Our old logs tell us that taking twenty minutes longer one day prevented weeklong headaches during shipment claims.

    Use Cases and Why End Users Value Predictability

    We started fielding more detailed application questions as soon as international partners began validating our product. In pharmaceuticals, 2-Chloro-N-(4-Methylphenyl)Acetamide frequently acts as a modifiable core. Downstream chemists build complexity atop its scaffold, utilizing that reactive chlorine for various coupling and substitution steps. The trick isn’t just in its initial clean reaction, but in minimizing unknowns on the next step — a reality anyone working in a multi-step synthesis will recognize.

    In agrochemical work, consistency takes center stage, particularly because process changes elsewhere can throw existing pathways into confusion. More than a few times, high-throughput labs commented that subtle differences in solubility profiles showed up as outliers on their robotic systems. By nailing down water content and impurity profiles well below the limits other materials floated at, our batches delivered the predictable reactivity those partners counted on.

    Unlike generic aromatic amides or basic acetanilide derivatives, this compound gives formulators more room to tweak their routes. The methyl group avoids some of the byproduct formation headaches that show up with simple chloroacetamides, and the reduced volatility and stronger profile stand up to more aggressive process conditions without breakdown.

    End users relying on large-volume runs appreciate not having to guess where batch-to-batch differences might arise; our consistency keeps their project timelines safer. Even on the research side, academic teams building libraries for SAR (structure-activity relationship) work lean on the lack of background peaks — their data delivers cleanly, reflecting just the chemistry they care about.

    Meeting Changing Regulatory and Customer Demands

    Our plant never stays stuck in past methods. The biggest shift in recent years centers on regulatory tightening around residual solvent and trace metal content. We invested in more sensitive detection equipment, retrained technical teams, and rebuilt storage routines. Previously, limits on certain solvents were far more generous, but tightening standards forced us to rethink every upstream input.

    A seasoned chemist knows spot audits and external inspections rarely give much warning, and documented traceability beats improvisation every time. We learned — sometimes the hard way — that accurate batch records and complete impurity maps reduce headaches when client auditors come calling. Batch genealogies, extended COA (Certificate of Analysis) histories, and digital GMP traceability grew from compliance checklists into real tools we use every day.

    We also hear partners in the pharmaceutical and fine chemical space constantly raising questions about extractables, leachables, and allergen profiles. Our processes answer these challenges by physically separating upstream intermediates and enforcing stricter cleaning procedures between consecutive campaigns. Decisions like switching to closed-system crystallizers and automating drum transfer didn’t just protect workers, they stopped inadvertent cross-contamination — a request we’re seeing more routinely at the start of each project.

    Handling, Safety, and the Realities of the Production Floor

    Making 2-Chloro-N-(4-Methylphenyl)Acetamide on a commercial scale calls for practical safety judgment every step of the way. Plant air has to be exchanged effectively, because even trace vapors in a poorly ventilated room raise real risks. Solid product can dust easily if too aggressively handled, so packaging is both an operator protection concern and a product quality safeguard. Incidents in our own past underscored how a loose-lidded drum or careless transfer undermines even the best process control.

    We push for straightforward PPE: gloves, goggles, masks — the basics nobody should neglect. Incident logs drove home that most minor exposures and material loss result from manual handling and inattention, not from wild process upsets. Working with the compound daily, it becomes habit to check temperature and air flow meters and to keep every step as contained as possible.

    Wastes and off-cuts don’t disappear. We divert them for routine solvent recovery, ensuring nothing leaves uncontrolled — not just to meet permits, but to keep workplace air and water clean. This isn’t just compliance ticking: every run reflects our standing orders that every worker stays safe and every shipment leaves our gates at its best quality, without dangerous residues or unknown dusts.

    Comparison With Other Aromatic Amides and Intermediates

    Customers often ask why not use acetanilide, 2-chloroacetanilide, or other off-the-shelf aromatic amides. It’s a fair question; the answer lies in years of feedback. Simple acetanilides lack the selective reactivity point for more sophisticated chemistry. Materials without substitutions on the ring often show less resilience under robust synthesis, especially at elevated temperatures or with aggressive reagents.

    Our experience shows the 4-methyl substitution on the ring delivers clear benefit. The resulting material maintains stability during shipment, prolongs shelf life, and reduces the risk of polymerization or degradation under routine storage. We repeatedly see better performance during amide coupling or cross-coupling reactions — higher yields, fewer purification cycles, less “mystery” impurity.

    2-Chloro-N-(4-Methylphenyl)Acetamide also holds up better against oxidative stress. We’ve seen plain 2-chloroacetanilide degrade or discolor in bulk bags under less-than-ideal warehouse conditions; our current molecule resists this, extending usability and eliminating surprise spoilage. Consistency and predictability once again appear as advantages, not just on a spec sheet, but in practical handling by real operators.

    Solutions to Production and Application Issues

    Every fine chemical faces the lingering enemies of scale-up: batch variability, impurity drift, or changing environmental rules. Our most effective solution to impurity spikes was the addition of inline analytical checks at critical process points. By running QC earlier — with spot HPLC and quick NMR — we collapsed troubleshooting windows, fixing problems at their source rather than sifting failed product at the end.

    For intermittent issues like temperature spikes or humidity-induced caking, we added redundant sensors and local dehumidifiers. Transfer steps employ vacuum tight-sealing, and packing occurs next to the drying zone to minimize exposure. Over several years, these process tweaks show up in fewer customer complaints, less need for reprocessing, and less scrap to manage.

    Across the board, our answer to shifting customer or regulatory expectations is transparency. Technical sheets convey real data, not just marketing optimism — and our partners receive open access to batch records during audits. Our goal remains to predict and prevent issues before scale-ups or launches go live, baking problem avoidance into every campaign.

    Continuous Improvement and Listening to the Markets

    Market realities change every year, particularly for intermediates like 2-Chloro-N-(4-Methylphenyl)Acetamide. We spend less time trading on commodity price swings and more time listening to technical requirements and project stories our customers bring us. Several custom syntheses grew from a single research group’s request that we tighten impurity specs or modify packaging to suit automated dosing.

    The growth of green chemistry isn’t lost on our teams. Newer requests sometimes involve greener solvents or residue-free purification methods. While the tried-and-true route still dominates for bulk runs, our R&D unit pushes parallel routes to reduce hazardous waste, recover solvents, and cut water use — not just because it looks good on an ESG report, but because it tightens yield and cost control.

    Feedback cycles — from complaint to solution — run shorter today than they did five years ago. Digital batch tracking, online video audits, and remote technical support let even distant clients see and resolve doubts before production begins. By keeping plant lines flexible and treating each lot as a project in itself, we maintain reliability, trust, and mutual learning with our project partners.

    Why a Direct Manufacturer Approach Matters

    Making 2-Chloro-N-(4-Methylphenyl)Acetamide on site means advantages none of the distribution chain can duplicate. We witness the molecule form, track how variables impact real outcomes, and take calls directly when even minor anomalies are noticed by customers.

    Every order leaves our plant with the full backing of those who saw its creation. This hands-on approach feeds not only specification confidence but also rapid troubleshooting, adaptation for special projects, and open communication. We respect customer specifications not by quoting minimums, but by engaging and building batches with the receiving process in mind.

    Direct engagement closes gaps you see with traders who can’t trace back a variable to its cause. Our chemists, process engineers, and QC specialists know both the product and its journey to the client, so unusual requests — such as microbatching, custom solvent slurries, or technical certifications — are feasible without delay. This relationship, grounded in experience and real-time feedback, builds partnerships instead of one-off transactions.

    Final Reflections: Commitment at Every Step

    From raw input to sealed packaging, each step in our facility reflects real values that surfaced from a decade at the reactor and on the shipping dock. We don’t chase scale at the expense of reproducibility; instead, we chase consistency, reliability, and transparent problem-solving every day.

    Our journey with 2-Chloro-N-(4-Methylphenyl)Acetamide has become a running dialogue between plant floor and customer bench, where lessons learned feed back into every new campaign. Standing behind each drum and each batch report, we know what leaves our site is trusted not just for its specs, but for the open channel back to where it started. That open channel keeps us learning, adapting, and driving quality — with every gram manufactured and every project advanced.