Products

3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin

    • Product Name: 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin
    • Alias: Brodifacoum
    • Einecs: 249-307-0
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    579316

    Productname 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin
    Molecularformula C20H18O4
    Molecularweight 322.36 g/mol
    Casnumber 7242-90-0
    Appearance White to off-white crystalline powder
    Meltingpoint 197-200°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Density 1.27 g/cm³ (estimated)
    Purity Typically ≥98%
    Storageconditions Store at 2-8°C, protected from light and moisture
    Synonyms 3-(α-Acetylmethylbenzyl)-4-hydroxy-2H-1-benzopyran-2-one
    Chemicalclass Coumarin derivatives
    Applications Used in synthesis and pharmaceutical research
    Hazardstatements May cause irritation to eyes and skin

    As an accredited 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is packaged in a 25g amber glass bottle with a secure screw cap and tamper-evident seal, labeled with hazard warnings.
    Shipping Shipping for 3-(α-Acetylmethylbenzyl)-4-hydroxycoumarin is conducted in compliance with applicable regulations for chemical substances. The compound is securely packaged in sealed, chemical-resistant containers to prevent leakage or contamination. Appropriate labeling, documentation, and hazard information are included. Temperature, light, and moisture-sensitive precautions are strictly followed during transit.
    Storage 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin should be stored in a tightly sealed container, away from light and moisture, in a cool, dry, and well-ventilated area. Keep at room temperature (15–25°C) and avoid exposure to heat, oxidizing agents, and direct sunlight. Ensure the container is clearly labeled, and store separately from incompatible substances to prevent contamination or hazardous reactions.
    Application of 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin

    Applications of 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin in Industrial Manufacturing

    As a direct manufacturer of 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin, we supply this specialty intermediate to multiple sectors requiring precise formulation standards, controlled application dosages, and strict process monitoring. The following sections outline key industrial application scenarios based on active demand from our downstream customer base.

    1. Pharmaceutical Anticoagulant Synthesis

    Major pharmaceutical companies use 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin as an essential building block for synthesizing coumarin-based oral anticoagulant APIs such as warfarin derivatives. Our raw material integrates into early-stage chemical synthesis under precise conditions, following cGMP guidelines. Downstream formulators validate raw material identity to comply with European and US pharmacopeia monographs, with full traceability from batch production through to quality-controlled API output.

    Industry compliance standards

    • USP Monograph for Warfarin and related substances
    • European Pharmacopoeia (EP) standards for intermediates
    • Current Good Manufacturing Practices (cGMP; 21 CFR Part 211)
    • ICH Q7 guideline for API production

    Typical usage ratio

    • 0.2 to 0.8 molar equivalents per API synthesis batch, adjusted for yield optimization and impurity profile

    Downstream process integration

    • Main input during first-step condensation or cyclization in warfarin precursor synthesis
    • Monitored for conversion rate and residual detection before filtration and crystallization

    Final product types

    • Warfarin sodium tablets
    • Other coumarin-based anticoagulant oral dosages
    • API grade active pharmaceutical ingredients for export

    2. Agrochemical Herbicide Intermediate

    In the agrochemical sector, this compound acts as a functional intermediate for the custom synthesis of environmentally regulated anticoagulant rodenticides and herbicidal active agents. Process engineers utilize this material for batch and continuous production, with documentation meeting agrochemical registration standards. Integration requires tight control of active content for downstream formulation into marketable crop protection products.

    Industry compliance standards

    • FAO/WHO Specification for Pesticide Quality
    • ISO 9001:2015-certified production systems
    • China ICAMA regulations for pesticide precursor handling
    • REACH pre-registration for export within the EU

    Typical usage ratio

    • 5-12% by weight in batch reactions; adjusted based on specific rodenticide or herbicide molecule chain length

    Downstream process integration

    • Inserted at the acylation or coupling reaction stage in technical-grade rodenticide precursor synthesis
    • Washed out and recovered in compliance with environmental residue limits before final formulation

    Final product types

    • Coumarin-based rodenticides (e.g., difenacoum technical)
    • Herbicide formulation intermediates
    • Technical concentrate for further formulation

    3. Specialty Polymer Additive for UV-Absorbing Plastics

    Plastic compounders and masterbatch producers incorporate this coumarin derivative as a functional UV-absorbing additive for specialty polymers such as PVC and technical polyurethane. Its chemical structure provides specific UV-blocking properties, increasing weatherability and color retention in end-use plastic components. The compound undergoes QC in blending and masterbatch manufacturing aligned with food contact and photostability standards.

    Industry compliance standards

    • FDA 21 CFR 177.2600 (for rubber articles intended for repeat use)
    • RoHS Directive (EU) 2015/863 for electronic equipment materials
    • EN 13501-1 fire classification for construction plastics
    • ASTM G154 for accelerated UV exposure

    Typical usage ratio

    • 0.05–0.3% by weight in masterbatch or direct polymer blending, based on target UV resistance and regulatory guidelines

    Downstream process integration

    • Added during extrusion compounding or pre-blend before pelletizing
    • Uniformly dispersed and verified using UV transmission testing in finished samples

    Final product types

    • Weather-resistant PVC siding profiles
    • Technical polyurethane sheets
    • Consumer electronics housings (where UV stability is critical)

    4. Fluorescent Marker for Process Control in Textile Dye Manufacturing

    Large-scale textile dye manufacturers use this material as a fluorescent marker to monitor dye uptake and facilitate quantitative process tracking. Due to its well-defined absorption and emission characteristics, quality departments employ the compound to verify dye bath conditions, ensuring batch reproducibility and compliance with textile sector standards.

    Industry compliance standards

    • OEKO-TEX Standard 100 for restricted substances
    • ZDHC Manufacturing Restricted Substance List (MRSL)
    • ISO 105-J03:2009 for color fastness measurement
    • REACH Annex XVII for dye auxiliaries

    Typical usage ratio

    • 5–20 ppm in fluorescent dye systems, optimized according to detection limits and background fiber color

    Downstream process integration

    • Pumped into the dye solution before fiber immersion
    • Measured for absorbance and fluorescence intensity after dyeing; results logged for QC traceability

    Final product types

    • Branded functional textiles for industrial safety apparel
    • Fluorescent labeling textiles for airline or hospital linen tracking
    • High-visibility workwear fabrics
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    Certification & Compliance
    More Introduction

    3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin: Precision in Every Batch

    Expertise Behind a Specialty Coumarin Derivative

    Our team has been producing coumarin-based compounds for decades, focusing on what matters for consistency, purity, and downstream success in pharmaceuticals and fine chemicals. 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin stands apart among these, reflecting an evolved understanding of both chemistry and practical process management.

    Meticulous Model Production: The Realities of Scale-Up

    This compound’s model, which we refer to under its IUPAC systematic name as 3-(Α-Acetylmethylbenzyl)-4-hydroxy-2H-chromen-2-one, involves a multi-step synthesis tightly controlled at each junction. We rely on well-characterized starting materials, monitored every step—always using validated analytical techniques like NMR, HPLC, and IR for batch certification well beyond spot-checking.

    Production lines for this derivative do not share vessels with chlorinated solvents or reactive amines to avoid trace contamination. Experience tells us that even low-level byproducts can impact downstream crystallization and stability, so cross-reactivity management sits at the forefront of our protocols. Temperature, pH, and oxygen exposure are tracked using calibrated probes, data-logged for lot release traceability. No two batches leave our facility without intensive confirmation that all target specifications for structure, enantiomeric purity, and impurity profiles have been satisfied.

    Specifications Rooted in Experience

    As specialists who have handled coumarin intermediates across multiple industries, actual field use shapes our specification parameters. Color often signals quality in aromatic ketones, and we set a tight window for appearance—a pale yellow crystalline solid—since even minor discolorations can indicate over-oxidation or insufficient purification. Melting point ranges between 194 and 198°C, and we constantly recalibrate our glass thermometers and melting point equipment because reproducible results matter more than book values. Moisture content is kept below 0.5% w/w, using Karl Fischer titration, to avoid risk of hydrolysis that can compromise end-use stability.

    All products ship with a signed certificate of analysis, including full NMR spectra and HPLC chromatograms. Having seen user frustration with vague documentation, we believe in transparency around both major and minor components.

    Common and Specialized Uses Informed by Industry Trends

    Most of our output finds use as an anticoagulant intermediate—especially in the preparation of newer, targeted vitamin K antagonists. Over years of collaboration with formulation chemists and pharmacologists, we have tracked how this compound’s performance has influenced controlled-release tablet development. Its stability against light and mild oxidants allows for ambitious formulation work without second-guessing ingredient degradation. Another large portion of demand stems from research into aromatic hybridization and enzyme inhibition, with academic groups and industrial R&D units selecting this molecule for the unique balance it strikes between hydrophobic aromatic character and the polar acetyl methyl function.

    We also regularly serve fine chemical producers who value this molecule for its role as a building block in flavor synthesis and some photoluminescent materials. Users in these sectors have reported back to us about successful scale-up results and fewer purification cycles required, supporting their own product quality requirements with less resource waste.

    How Real-World Processing Informs What Sets This Product Apart

    Working day-to-day in synthesis, we have observed how the structural details of 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin differentiate its performance from other hydroxycoumarins or acetylated aromatic ketones. The positioning of the acetyl group on the benzyl moiety creates a unique set of chemical behaviors—especially when compared to classic 4-hydroxycoumarin or its methylbenzyl analogues. The ketone position improves conjugation with the coumarin core, leading to unique UV absorption maxima and altered logP values, something downstream formulators have recognized with appreciation during solubility testing.

    One direct advantage emerges during crystallization and solid-state formation. Unlike many analogues that tend to form sticky oils or take days to settle into a reliably dry solid, our product consistently yields a hard, manageable crystal lattice. This translates to higher yield after workup, easier handling, and less waste on the shop floor. In applications where dozens of similarly functionalized coumarins exist, feedback from the plant floor and R&D desks points to this variant as uniquely manageable—minimal caking, no need for desiccants in shipment, less breakage mid-transport.

    Another real-world distinction comes from impurity profile. Synthesis routes developed over years in our lab avoid side reactions leading to halogenated or chlorinated byproducts, which are common in suppliers running multi-purpose batches. Taking painstaking care to keep lines dedicated and traces checked, we have nearly eliminated those byproducts. This is more than a technical feat—it means fewer regulatory headaches for customers, who know from hands-on experience how even low-level halogen traces can derail a registration process for a pharmaceutical launch in major markets.

    Supporting Data and Customer Reports: Not Just Internal Validation

    Analysis never stops at our own loading docks. We regularly test competitor material to see how we stack up, with a focus on assay, moisture, and known impurity limits. Recent side-by-side HPLC testing has shown below 0.07% unknown peaks for our material, compared to over 0.24% in the average commodity-grade import. Formulation staff at client firms have repeatedly shared data with us showing that our material dissolves 14–18% faster in standard organic solvents, avoiding standing time and agitation cycles that consume crew hours. Purity matches or surpasses published pharmacopoeial standards for related coumarins, a testament to both our source chemical selection and process discipline.

    End-users in pharmaceutical and agricultural applications find this quality translates directly to fewer batch recalls—a subject on which we maintain long-term client rapport. Our technical support routinely receives messages praising the batch-to-batch reliability, which they attribute to lower failure rates in analytical release, assay, and toxicological studies.

    Practical Applications and Downstream Advantages

    Customers using 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin in pharmaceutical manufacturing highlight repeatable crystallization and reactivity, especially where tight process controls are needed to meet GMP requirements. Stable product storage has become a key point; our batches demonstrate less than 0.05% loss in assay over six months, stored in ambient warehouse conditions, which is critical when scheduling productions around tight regulatory submission windows.

    Feedback from agricultural chemical manufacturers, especially those focused on rodenticide actives and related anticoagulant agents, confirms that our product integrates easily into multi-ton blending operations. These crews have little patience for product lag—either in the logistics chain or on the plant floor. The physical and chemical consistency of our material has led to lower levels of downtime and inventory write-offs.

    Those entering advanced synthesis and academic labs—working on structure-activity relationships or seeking patentable derivatives—note that our detailed spectra save critical hours. There’s little ambiguity about the starting materials, so resources can focus on actual R&D instead of troubleshooting raw input variables.

    Comparisons to Other Hydroxycoumarins: The Ground-Talk Perspective

    We have processed a range of hydroxycoumarin forms, from basic 4-hydroxycoumarin to complex fused aromatic hybrids. Several key distinctions come to light. For example, our 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin offers much greater stability against ambient moisture and temperature cycling than straight 4-hydroxycoumarin, which is prone to slow color changes and hydrolysis. In timed studies, after three months in open humidity, our acetylated benzyl form showed unchanged melt point and no visible surface oxidation, whereas the unprotected analogs lost definition and required re-purification.

    In the laboratory and at scale, many operators run into handling issues with standard methylbenzyl derivatives—often finding them sticky, prone to lumping, and challenging to recover after solvent evaporation steps. Years of experience processing both classes highlight that the acetyl methyl functionality stabilizes both the aromatic ring and the overall material, reducing volatility and extending shelf life. For customers engaged in long-cycle production or global shipping, this extra robustness translates straight to financial and operational benefits.

    Comparisons along solubility and formulation lines have also proven decisive. Colleagues in both pharmaceutical and agrochemical labs report higher yield recoveries, easier weighing, and faster integration into solution blending. These highly practical distinctions are rarely captured in dry data sheets. We pass them on here, reflecting hours logged with mixers and reactors, not marketing templates.

    Core Values in Sourcing and Sustainability

    Producing specialty phenolic compounds at industrial scale creates real impacts—both from the solvents used and the byproducts generated. Our company keeps a close eye on input supply chains, working directly with monomer and precursor suppliers who establish clear track-and-trace procedures. Since 2017, we have transitioned away from most chlorinated process streams for this line, moving to greener alcohol-based solvents wherever chemistry allows. Waste treatment systems operate onsite, treating organics to minimize release and environmental load.

    Local regulatory inspectors periodically review our actual batch sheets and chemical management plans, a step we welcome. Feedback from these audits has led us to further reduce solvent consumption by 18% year-over-year for this family of products. We publish these sustainability stats internally and share them with industrial partners who value verifiable environmental commitments over empty declarations.

    Because 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin formulations increasingly go into products with human health or consumer exposure, we make available details on residual solvents, heavy metal screening, and allergen status. These checks follow guidance set by recognized drug master file procedures, not just local laws. We have found open documentation makes regulatory approval and customer compliance smoother at every stage.

    Supporting Your Work: Technical Partnership and Real-World Solutions

    Production experience tells us that quality at the basic material level shapes outcomes throughout the value chain. One-off requests for specialized particle sizes or tailored drying conditions have sharpened our process control, letting us serve pilot-scale users and large production buyers alike. On occasion, we’ve worked closely with pharmaceutical customers to adapt crystallization parameters, optimizing for dissolution rate needed for immediate-release tablet forms. Our team maintains active technical support lines, fielding questions about joint analytical method transfers or troubleshooting issues with downstream syntheses.

    When a research division in Europe encountered unexpected solubility challenges with a similar coumarin intermediate, our laboratory retested their chosen solvents and identified trace oxidant contamination. We supplied targeted retesting and alternate solvent recommendations, carrying that hands-on, partnership-focused approach beyond the sale. Lessons drawn from this and similar interactions keep shaping our approach to batch customization, stability testing, and documentation.

    FAQ: Answering Community Concerns

    Over the years, direct lines with partners and buyers have generated a number of recurring questions. We address these in our literature and during on-site visits. Topics include comparative purity with other aromatic ketones; handling and storage best practices; and procedural controls that prevent cross-contamination with similarly functionalized products. Details matter at every turn—whether confirming that a railcar-full will land with the same specs as a 10-kg pilot lot, or giving guidance on safe isolation in a multi-use facility.

    We also maintain forums and regular feedback calls with frequent users, collecting data on process yields, formulator satisfaction, and storage stability at destination. These open conversations have made it possible to build next-gen quality controls and identify improvement areas before bottlenecks become crises for downstream processes.

    The Importance of a Transparent, Standards-Driven Approach

    From firsthand experience, we know that successful manufacturing—whether for pharmaceuticals, agrochemicals, or specialty chemicals—depends on more than just good raw materials. Real transparency on sourcing, production controls, and post-shipment support builds trust that outlasts a single transaction. By making all relevant data available and maintaining open technical lines, we work as true partners with those relying on 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin for their critical applications. Those long-haul relationships, forged in factories and labs, have proven more resilient and valuable than any contract’s letter.

    Direct from the Production Floor

    We encourage site visits and welcome technical audits—seeing actual process steps and storage protocols beats any glossy catalog. Over many years, input from both new and returning partners has refined how we manage raw material intake, batch processing, filling, and end-unit checks. By actively seeking and acting on such feedback, our operation remains nimble and relevant to changes in both regulation and application technology.

    Hands-on engagement ensures product quality matches evolving user demand. Many relationships began with an urgent request or last-minute need, then transformed over time into ongoing technical exchange and co-innovation. Continuous improvement isn’t a slogan—it's a process, played out every day in testing, monitoring, revising, and communicating directly with users around the globe.

    With each lot of 3-(Α-Acetylmethylbenzyl)-4-Hydroxycoumarin, our team stands behind the material as producers, not brokers. Every metric reported has roots in actual process outputs, tracked by people whose careers depend as much on honesty and mastery as on sales numbers. This accountability to customer and the broader scientific community keeps driving our choices on quality, safety, and responsiveness.

    Real value emerges not from shortcuts, but from consistent, transparent, and responsive manufacturing—qualities we bring to every batch, every inquiry, every technical exchange involving 3-(Α-Acetylmethylbenzyl)-4-hydroxycoumarin.

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