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4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate

    • Product Name 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate
    • Alias Paracetamol Impurity 54
    • Einecs 629-459-4
    • 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
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    Specifications

    HS Code

    128974

    Chemical Name 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate
    Molecular Formula C12H14ClNO4
    Molecular Weight 271.70 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 152-156°C
    Boiling Point Decomposes before boiling
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically >98%
    Storage Conditions Store in a cool, dry place away from light
    Stability Stable under recommended storage conditions

    As an accredited 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The product is securely packaged in a 500g, amber glass bottle with tamper-evident seal and clear chemical labeling for identification.
    Shipping 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate is shipped in tightly sealed containers to prevent contamination and moisture exposure. Packaging complies with relevant chemical handling and transportation regulations, ensuring safe delivery. Labeling includes necessary hazard information, and shipping is typically via ground or air using licensed couriers, depending on destination and urgency.
    Storage Store **4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate** in a tightly sealed container, protected from moisture, direct sunlight, and sources of heat. Keep in a cool, dry, and well-ventilated area away from incompatible substances such as strong acids, bases, and oxidizers. Ensure proper chemical labeling and restrict access to authorized personnel. Follow all relevant safety and regulatory guidelines during storage.
    Application of 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate

    Applications of 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate in Industrial Manufacturing

    4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate serves as a targeted intermediate in several chemical manufacturing chains. Our experience as an OEM manufacturer enables integration of this ingredient into complex downstream formulations, especially where strict quality and process control is required. Below, we detail several real industrial applications, featuring relevant standards, ratios, and process steps based on direct user feedback and international best practices.

    1. Synthesis of Antipyretic Pharmaceutical Compounds

    Major pharmaceutical factories utilize this raw material in the controlled synthesis of advanced antipyretic APIs. The compound participates as a key intermediate in multi-step reactions, particularly esterification and amidation procedures. Strict batch validation and impurity profiling are mandatory at every processing stage to ensure final API purity meets registered dossier requirements for regulated markets.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • European Pharmacopoeia monographs for relevant APIs
    • US FDA 21 CFR Part 211
    • Chinese Pharmacopoeia for production and testing

    Typical usage ratio

    • Reactant input at 6–18% molar basis within a multistep synthesis route.
    • Adjusted according to required batch yield and side reaction controls.

    Downstream process integration

    • Charged to the main reactor after solvent setup and initial charge of condensing agents.
    • Monitored under controlled temperature and agitation rates to manage side product formation.
    • Purification by solvent extraction and column chromatography before downstream conversion.

    Final product types

    • Prescription-grade antipyretic medicines
    • Tablet and suspension APIs for fever management
    • Generic over-the-counter analgesic actives
    • Registered paracetamol derivatives

    2. Manufacture of Specialty Dye Intermediates

    Colorant manufacturers employ the compound as a building block in the synthesis of high-stability azo and anthraquinone dye intermediates. The molecule’s unique substitution pattern enhances chromogenic properties in downstream dyes, particularly for textiles and printing inks. Manufacturers follow dye-specific validation protocols to ensure color strength and thermal stability in the final product lineup.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for chemical safety
    • ETAD Code of Practice for colorant production
    • ISO 9001:2015 for textile-grade dye intermediates
    • Eco-Tex Standard 100 for restricted substances lists

    Typical usage ratio

    • 5–12% by total reactant mass in primary coupling/bonding stage.
    • Tuning based on desired chroma, purity, and solvent system employed.

    Downstream process integration

    • Added during initial condensation with diazonium or alkylation agents.
    • Undergoes heat reflux and pH-controlled neutralization for intermediate formation.
    • Isolated via precipitation or rotary evaporation before final dye condensation.

    Final product types

    • High-performance azo and anthraquinone dye intermediates
    • Non-bleeding textile dyes
    • Printing ink colorants for paper and plastic substrates
    • UV-resistant industrial dyes for outdoor applications

    3. Precursors for Agrochemical Active Ingredients

    Agrochemical companies integrate this molecule as a precursor in the synthesis of selective herbicide and fungicide actives. Its structure allows further functionalization through halogenation or etherification to create target-specific bioactive molecules. Traceability, identity testing, and impurity assessment are required at every batch stage for compliance with pesticide registration norms.

    Industry compliance standards

    • FAO/WHO Specification for Pesticide Ingredients (JMPS)
    • US EPA 40 CFR Part 158 for agricultural chemicals
    • ISO 17025:2017 for chemical analysis labs
    • China GB 2763-2021 for maximum residue limits

    Typical usage ratio

    • 4–9% by total reaction mass during precursor formation stage.
    • Modified per required substituent group and side-chain length in the target molecule.

    Downstream process integration

    • Fed into initial nucleophilic substitution under controlled anhydrous conditions.
    • Combined with protective groups and catalysts for stepwise enlargement.
    • Filtered and analyzed before active ingredient crystallization and formulation.

    Final product types

    • Selective herbicide active ingredients
    • Fungicide intermediates for row crops
    • Crop protection additives
    • Granular and emulsified pesticide formulations

    4. Synthesis of Photographic Chemical Precursors

    Photographic chemical producers use this compound in specialized developer and coupler precursor manufacturing. Its electron-withdrawing substituents improve the sensitivity and image resolution of final developer systems for industrial film and photo paper. All manufacturing and QC steps adhere to precision analytical norms for the imaging chemistry sector.

    Industry compliance standards

    • ISO 18936 for imaging chemical raw materials
    • RoHS Directive 2011/65/EU for restricted substances
    • GMP for photo-grade chemical synthesis
    • ISO 14001 for environmental management

    Typical usage ratio

    • 2–7% by reaction mass, calculated based on mole ratio to sensitizer additives.
    • Adjusted per desired development speed and image granularity in the end application.

    Downstream process integration

    • Dosed to the main synthesis vessel alongside aromatic amine components.
    • Reacts under temperature-monitored cycles to limit isomer formation.
    • Purified via carbon filtration and solvent exchange for high-purity output.

    Final product types

    • Developer couplers for industrial photography
    • Photo paper emulsifier chemicals
    • Imaging film developer solutions
    • Photolithography processing reagents

    5. Building Block in Veterinary Drug Manufacturing

    Veterinary pharmaceutical plants process this material as an intermediate for the synthesis of anti-inflammatory and antipyretic agents for animal health products. Each batch follows VICH GL guidelines for quality and residue safety. Processing typically includes multi-step amidation, post-synthesis deprotection, and rigorous trace analytical monitoring throughout the pathway.

    Industry compliance standards

    • VICH GL24 for Veterinary Pharmaceutical Ingredients
    • EU GMP for Manufacturers of Veterinary Medicinal Products
    • USP monographs for selected APIs
    • China Veterinary Pharmacopoeia

    Typical usage ratio

    • 5–14% by total precursor mass, modified according to active content needed in end drug profile.
    • Adjusted in line with animal species and regional product registrations.

    Downstream process integration

    • Introduced post-initial solubilization in jacketed glass-lined reactors.
    • Reacted via sulfation or amidation depending on target molecule pathway.
    • Filtered, crystallized, and milled to controlled particle size before finishing.

    Final product types

    • Veterinary antipyretic actives for livestock
    • Oral suspensions and tablets for animal health
    • Compound premix APIs for feed additives
    • Pet medication intermediates

    6. Intermediate for Polyurethane Additive Synthesis

    Specialty chemical producers apply this molecule in synthesizing tailored additives for polyurethane foam and elastomer production. Its functional groups support further modification, enabling precise performance tuning for heat resistance and softness in foam blocks. Process integration focuses on catalyst compatibility, minimal residue, and batch reproducibility.

    Industry compliance standards

    • ISO 9001:2015 for specialty ingredient supply
    • RoHS for restricted hazardous substances in polymers
    • UL 94 for flame retardance where applicable
    • European Chemicals Agency (ECHA) REACH dossiers

    Typical usage ratio

    • 0.5–2% by weight in additive premix, adjusted to foam density and hardness profile for final use.
    • Ratio depends on end-use: automotive vs. furniture PU foams.

    Downstream process integration

    • Dispersed in polyol blend prior to introduction of isocyanate in pre-polymer stage.
    • Reacted under vacuum mixing to control cell structure and additive dispersion.
    • Batch QC validated by FT-IR and chromatographic analysis for by-products.

    Final product types

    • Flexible polyurethane foam blocks
    • Automotive seat padding foams
    • PU elastomer modifiers for shoe sole manufacturing
    • High-resilience insulation panel additives
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    Certification & Compliance
    More Introduction

    4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate: What We’ve Learned from Manufacturing at Scale

    The Heart of Precision Chemistry: Producing What Matters

    Talking about 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate means sharing hard-won experience from years behind reactors and distillation columns. We started working hands-on with this molecule in the late 2000s, as specialty intermediates grew critical for high-value pharma and agro projects. Years of tweaking our process flows and investing in better chromatography have helped us reach high-purity, reproducible batches for customers who won’t settle for anything less.

    Every kilo of this product combines acylation, ethoxylation, and selective halogenation. Achieving the right order of reactions and precise feed ratio matters more than any sales pitch. Our team spent months optimizing every step, thinking deeply about temperature curves and reagent handling, aiming to chase efficiency while safeguarding quality. It’s not just about getting product out the door; it’s about sending out something future researchers and manufacturers can trust, every time.

    Specifications That Mean Something

    We set specs with an eye on real-life customer pain points, not just a book number tossed around. In our workflow, purity consistently checks in above 98%, thanks to a detailed purification train. Moisture content hovers far below risk thresholds to eliminate downstream reactivity issues. At the molecular level, our process ensures full substitution at chloro and ethoxy sites, avoiding side-products that would harm further synthesis. Teams test every lot using both HPLC and NMR, so nothing gets by us. It’s not a question of box-ticking—we hold ourselves accountable for stability and traceability batch by batch.

    What Real-World Use Teaches Us

    Years of talking with colleagues in formulation labs, contract research, and pilot plants taught us this benzoate derivative isn’t just another building block. Our customers order it for a common reason: reliability in synthesis steps where mistakes cost days and grant deadlines slip away. The methyl benzoate core gives a stable, modifiable backbone, while the specific chloro, ethoxy, and acetamino substitutions each play a unique role. We’ve seen it used for developing advanced API scaffolds, exploring lead optimization, and fine-tuning agrochemical actives for selectivity. Sometimes, it even ends up in diagnostic compound libraries when other options fall short in solubility or reactivity.

    Making this molecule reminded us that manufacturing goes beyond the invoice. Every shipment stakes our reputation as a supplier skilled in both chemistry and logistics. We watch for cold-chain requirements on longer journeys. We offer tailored packaging for customers scaling up from grams to tens of kilos. In an age of supply chains stretched by global constraints, keeping uninterrupted flow means everything, and we invest in redundancy and transparency, not just production volume.

    What Sets It Apart from Other Compounds

    Not every benzoate shares this one’s combination of features. The ethoxy group alters both lipophilicity and metabolism pathways, opening doors for medicinal chemists who need alternatives to methoxy or alkyl substitutions. The position and nature of halogenation influence molecular orientation, crucial for target binding in drug design. Adding the acetamino group brings another layer—changing both hydrogen bonding patterns and electron density. Over time, we’ve seen projects where starting with a more generic benzoate produced unwanted side-products, or failed to display the selectivity researchers aimed for. Tweaking established synthesis strategies with our product often unlocks a new hit or makes scale-up possible by resolving solubility bottlenecks.

    Some chemical suppliers push “generic benzoates” with vague purity ranges and limited technical support. We’ve learned customers appreciate concrete answers, not just a PDF spec sheet. Everything—from our detailed process route sharing, to rapid batch documentation—keeps teams confident in the origin and consistency of this molecule. Challenges happen: a new intermediate route might introduce trace impurities, or an unexpected shipping delay might surface. We face these with real-time data and honesty, not disclaimers buried in fine print.

    Environmental and Regulatory Concerns: Walking the Walk

    No chemistry happens in isolation from environmental responsibility. At our site, chlorinated intermediates present both environmental and workplace safety challenges. We invested early in fume scrubbers and fine-particulate filtration, not as optional upgrades, but to remove sources of long-term harm. Waste solvent management and water discharge controls became priorities right after process efficiency. For the local team, these steps reduce risks and demonstrate care for their health beyond policy compliance.

    Worldwide regulations grow stricter by the year. REACH, EPA notifications, and other requirements no longer function as distant hurdles; they loom over daily operations. Meeting those standards in practice, we’ve built a supply and documentation chain that lets us rapidly support audits, respond to regulatory queries, and issue compliance statements rooted in actual plant practices. None of this existed by default—we kept pushing for traceability because it served our reputation and the greater chemical community.

    Building Reliability through Partnership

    Reliable delivery starts with two things: honest forecasting and flexible planning. We work with customers well ahead of big campaigns or launches, mapping capacity and alerting them early to seasonal maintenance or shipping slowdowns. Once in a while, a lab discovers a higher-yielding downstream reaction or shifts batch sizes. We adapt—changing lot scales or tightening batch-by-batch QC, always looping customers in, rather than leaving them in the dark. Too often, manufacturers hide problems until it’s too late. We share process deviations straight away because fixing it early gets everyone closer to success.

    Over time, some partners come back with stories about their own end products—cancer therapeutics gaining traction in trials or crop protection products passing an extra regulatory bar. Every time that happens, the project team here understands that quality and predictability are not just technical objectives. They touch patient lives and food security far beyond the gates. This shared responsibility keeps us rigorous, not just on paper but on the production floor.

    Strengths Beyond the Molecule: Supporting the Full Journey

    Supporting scientists and process engineers starts by understanding the barriers they face. Whether someone’s validating an early-stage route or preparing to register a generic API, time and reproducibility dominate the agenda. We offer fast re-supply from local inventory to minimize research gaps. Our technical team helps interpret mass spectra and NMR data, troubleshooting with customers to pinpoint sources of unexpected signals or minor impurities. There’s no substitute for this technical closeness when scaling up a challenging synthesis.

    We also prioritize flexibility for packaging and lot sizes. In early-stage research, a gram or two might be plenty. As a lead heads toward pilot production, the need jumps to multi-kilo lots—sometimes on short notice after a breakthrough. We move our batch cycles upstream to anticipate big orders before any “emergency” hits. This lets us absorb disruptions like port congestion or last-minute project shifts with minimal customer pain.

    Documentation has grown into a critical enabler for project milestones. We simplify COA, MSDS, and traceability paperwork, focusing on clarity instead of unnecessary jargon. We have heard from process validation teams that such transparency helps them meet regulatory review with less stress and fewer delays. Our team never locks technical information behind bureaucracy or leaves it to non-technical staff; scientists provide answers, from process description down to impurity envelope.

    Innovating in Process and Scale: Lessons from the Shop Floor

    Scaling exotic chemistry from lab bench to pilot plant challenged us, especially with benzoate derivatives demanding tightly-monitored temperature and pressure controls. By deploying newer, heat-exchange controlled reactors, we tightened reaction windows and reduced batch rework. As we analyzed process control data, we noticed areas to cut back on solvent excess, which lowered overall waste and brought down costs in parallel. The real wins often come from training operators and maintenance crews—building a culture where deviations trigger follow-up, not blame games.

    Sometimes, expected demand outstrips capacity planning if a customer’s project suddenly advances to commercial scale. We invested in a modular system, so we can double or triple output by slotting in parallel lines as soon as market signals arrive—reducing lead time for delivery to growing customers. Our facility keeps redundant equipment and maintains robust purchasing agreements for precursors, making sure one vendor’s outage never halts production.

    We don’t ignore the value of collaborating with suppliers on raw material consistency. By working with upstream partners to standardize precursor specs, we prevent off-spec batches from entering our process train. Even small variations in precursor purity or moisture can ripple through reactions, so qualifying sources and friendly quality audits upstream became a core part of our supply strategy. This is more than a workflow—it’s a system to defend our own downstream quality.

    Working Through the Unexpected

    The last few years have thrown challenges our way, from transport shutdowns to changes in energy prices and shifting regulatory deadlines. Having strong local networks let us pivot raw material sourcing in weeks instead of months. We upgraded our digital systems for batch tracking, giving both us and our customers clearer sightlines on progress and inventory. During the peak of global shipping disruptions, we prioritized time-sensitive orders and rerouted shipments with logistics teams, always focusing on minimizing process gaps for the research and production teams we serve.

    Every problem brings new lessons. We’re seeing a trend where customers want more than just a product—they ask for documentation packs robust enough to back up regulatory filings or audits in multiple jurisdictions. Responding to this, we boosted support for tech transfer, offered analytical method validation, and provided deeper impurity profiling for those projects pushing toward high regulatory scrutiny.

    Future Directions: Investing in Capability, Not Just Output

    Changing customer needs and tighter industry standards shape how we invest. Upgrading not just reactors, but also chromatography and analytic suites, means catching more subtle impurity drifts at lower levels. We allocate more internal time to method development, letting R&D and production cross-pollinate ideas, which often cuts cycle time for scale-up or rework. Adding more robust digital reporting to production makes compliance easier, reducing both internal audits and external headaches.

    Strong manufacturing teams rely on knowledge sharing. We train every production crew to recognize both process improvements and red flags. Everyone, from plant technicians to QC, contributes insight into how process tweaks affect product and supply reliability. This culture allows us to adapt to market changes, regulatory shocks, or shifts in customer demand, ensuring we never fall behind.

    Why Diligence Matters, From Experience

    Building a reputation as a reliable source for 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate came from learning the difference between “product is shipped” and “product is trusted.” Years in this field taught us the value of follow-up calls, reporting even minor issues or delays, and supporting customers through technical challenges, not just leaving them to sort out problems alone. Sometimes, this level of support eats into margins or requires after-hours troubleshooting, but it builds loyalty and keeps our knowledge base sharp.

    Low-quality alternatives from generic producers tempted plenty of buyers with lower upfront costs. Many times, we field last-minute calls from teams facing inconsistent batches or impurities derailing downstream applications—fixing mistakes from shortcuts elsewhere. We’ve seen that sticking to diligence in our process route, analytical controls, and transparency standards cuts down total time to market, keeps regulatory reviews smoother, and saves costs on rework.

    The Real-World Difference

    All our investment, process controls, technical support, and regulatory focus collapse into one real aim: helping researchers, process chemists, and formulators do more, faster, with fewer risks. Our customers aren’t just looking for a molecule. They seek a partnership with a team that shares their urgency and respects the downstream pressures they face. In practice, our product’s specificity—driven by selective ethoxy, chloro, and acetamino placement—keeps projects on track and provides a tangible edge in both experimentation and production scale.

    From synthesizing a promising new molecule for clinical trials to tweaking established agrochemical agents, 4-Acetamino-5-Chloro-2-Ethoxy Methyl Benzoate delivers flexibility, proven reliability, and robust support. That comes not just from what goes into the bottle, but from the people, systems, and hard-earned lessons built up over years. Chemical manufacturing demands this kind of rigor—or else the whole endeavor risks stalling. We remain committed to delivering on these principles, project by project, and batch by batch.