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2',4',6'-Trihydroxyacetophenone Monohydrate

    • Product Name 2',4',6'-Trihydroxyacetophenone Monohydrate
    • Alias THAP
    • Einecs 242-354-0
    • 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

    513438

    Product Name 2',4',6'-Trihydroxyacetophenone Monohydrate
    Synonyms 2',4',6'-Trihydroxy-1-phenylethanone monohydrate
    Cas Number 7421-44-9
    Molecular Formula C8H8O4 · H2O
    Molecular Weight 186.17 g/mol (anhydrous), 204.19 g/mol (monohydrate)
    Appearance White to off-white powder
    Melting Point 155-160 °C (decomposes)
    Solubility Soluble in water and ethanol
    Storage Temperature 2-8 °C (refrigerated)
    Purity ≥98%
    Ec Number 231-029-7
    Smiles CC(=O)C1=CC(=C(C(=C1)O)O)O

    As an accredited 2',4',6'-Trihydroxyacetophenone Monohydrate 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, sealed with a screw cap and labeled “2',4',6'-Trihydroxyacetophenone Monohydrate.”
    Shipping 2',4',6'-Trihydroxyacetophenone Monohydrate is shipped in tightly sealed containers to protect it from moisture and contamination. Packages are labeled according to regulatory requirements and handled as a laboratory chemical. Standard shipping methods may be used, typically at ambient temperature. Refer to the SDS for any specific hazard class or special handling instructions.
    Storage 2',4',6'-Trihydroxyacetophenone Monohydrate should be stored in a tightly closed container, protected from light and moisture. Store at room temperature, away from heat sources, and in a dry, well-ventilated area. Keep separate from incompatible materials such as oxidizing agents. Ensure the storage area is clearly labeled and access is restricted to authorized personnel.
    Application of 2',4',6'-Trihydroxyacetophenone Monohydrate

    Applications of 2',4',6'-Trihydroxyacetophenone Monohydrate in Industrial Manufacturing

    2',4',6'-Trihydroxyacetophenone Monohydrate serves as a critical intermediate in specialized chemical synthesis within regulated sectors. Our facility supplies this compound to manufacturers across recognized downstream application fields, supporting demanding formulation requirements and advanced process control.

    1. Pharmaceutical API Synthesis (Flavonoid Derivatives)

    Major pharmaceutical companies use 2',4',6'-Trihydroxyacetophenone Monohydrate as a key building block for synthesizing flavonoid-based APIs. Its high-purity grade fits downstream multi-step organic synthesis, supporting condensation, methylation, and glycosylation reactions according to validated quality standards. In controlled GMP environments, formulators optimize antioxidant and anti-inflammatory molecule development using this raw material at precise concentration ranges, supported by comprehensive documentation and audit-ready traceability.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • European Pharmacopoeia (Ph. Eur.) monographs for starting materials
    • USP <1043> Ancillary Materials standards
    • FDA 21 CFR Part 211 cGMP for finished pharmaceuticals

    Typical usage ratio

    • 0.1–5 molar equivalents relative to final API target, adjusted for pathway yield and side-product limitations; QC teams determine batch-specific stoichiometry during process validation

    Downstream process integration

    • Charged into Stage 1–2 of the API synthetic route, typically as a nucleophilic aromatic precursor, followed by stepwise coupling and derivatization

    Final product types

    • Flavanone and flavonol-based prescription drugs (oral solid dosage forms)
    • API intermediates for cardiovascular and neurological therapeutics
    • Research-grade reference substances for analytical labs

    2. Cosmetic Antioxidant Ingredient Preparation

    Formulators in the personal care industry employ this trihydroxyacetophenone for the preparation of high-performance antioxidant ingredients used in leave-on and rinse-off cosmetic formulations. Strict EU and US cosmetic regulations govern raw material assessment, requiring batch-specific impurity profiling and defined functional group assay. Processing lines introduce the compound prior to esterification for enhanced skin bioavailability in serums, creams, and sunscreens.

    Industry compliance standards

    • EU Regulation (EC) No 1223/2009 on cosmetic products
    • Cosmetic Ingredient Review (CIR) Panel Safety Assessment
    • ISO 16128 (Guidelines on technical definitions for natural and organic cosmetic ingredients)
    • China GB 7916 Hygienic Standard for Cosmetics

    Typical usage ratio

    • 0.05–0.5% w/w of total ingredient mass in formulated antioxidant concentrates; actual level based on desired antioxidant kinetics and stability of emulsion

    Downstream process integration

    • Dosed during the antioxidant ingredient synthesis, typically in combination with esterifying agents, prior to blending into cosmetic bases

    Final product types

    • Antioxidant additives for anti-aging creams and serums
    • Sunscreen active ingredient blends
    • Skin-conditioning actives in leave-on and rinse-off formats

    3. Analytical Reagent Manufacturing (Spectrophotometric Standards)

    Manufacturers of analytical reagents use 2',4',6'-Trihydroxyacetophenone Monohydrate for spectrophotometric calibration standards, particularly in environmental and pharmaceutical laboratories. Its consistent UV absorption profile makes it valuable as a quantitative control in colorimetric assays and as a reactant for standards in trace analysis kits. Compliance emphasizes purity verification and avoidance of trace contaminants affecting baseline absorbance.

    Industry compliance standards

    • ISO/IEC 17025 Laboratory Testing Accreditation
    • EPA Method 200.9 for Trace Elements (Spectrophotometric Analysis)
    • ASTM E2877: Standard Guide for Detection Limits
    • Pharmacopeial Reagent Requirements (e.g., USP, Ph. Eur.)

    Typical usage ratio

    • Preparation of 10–200 mg/L calibration solutions, concentration tailored according to target analyte detection range and laboratory SOP

    Downstream process integration

    • Dissolved or reacted in aqueous or solvent-based standards during formulation of test kits and reference controls; handled in Class 100 cleanrooms for trace analysis supplies

    Final product types

    • Certified spectrophotometric standards
    • Reference materials for HPLC, GC, and UV-Vis calibration
    • Pre-assembled analysis kits for routine QC laboratories

    4. Agrochemical Intermediate for Plant Growth Modulator Synthesis

    Leading agrochemical producers leverage 2',4',6'-Trihydroxyacetophenone Monohydrate as an intermediate in the production of phenolic plant growth modulators. Downstream process steps involve controlled condensation reactions to create plant hormone analogs used in field crop protection and yield enhancement. Production environments stress compliance with regional chemical registration and residue definition standards.

    Industry compliance standards

    • FAO Specifications on Technical Material for Pesticides
    • REACH Regulation (EC) No 1907/2006 for agrochemical intermediates
    • US EPA 40 CFR Part 180 (Tolerances and Exemptions for Pesticide Chemicals in Food)
    • ISO 9001:2015 Quality Management System Certification for chemical production

    Typical usage ratio

    • 5–15% of overall intermediate mass input per batch synthesis, dependent on target modulator structure and process conversion efficiency

    Downstream process integration

    • Added in the primary phenolic precursor stage, utilized in subsequent ring-closing and functional group modification reactors

    Final product types

    • Plant growth regulators for horticulture and field crops
    • Precursors for synthesis of selective herbicides
    • Chemical standards for field residue analysis

    5. Functional Dye Intermediate in Specialty Textile Applications

    Specialty dye manufacturers utilize the compound as a high-purity precursor in the synthesis of hydroxyacetophenone-derived colorants for technical textiles. The compound offers molecular features suited for azo and anthraquinone dye routes, supporting controlled chromophore extension in dye-coupling processes. Operators monitor impurities rigorously to ensure compliance with textile industry standards on toxicity and fastness.

    Industry compliance standards

    • OEKO-TEX Standard 100 for restricted substances
    • ZDHC MRSL (Manufacturing Restricted Substances List)
    • ISO 105 series (Textiles—Tests for color fastness)
    • REACH Annex XVII restrictions for dyes and dye intermediates

    Typical usage ratio

    • 1–10% relative to total dye mass in the synthesis batch; formulators adjust based on desired shade intensity and universal strength

    Downstream process integration

    • Introduced at the dye intermediate formation phase, feeds directly into condensation and coupling reactions in multi-step dye synthesis

    Final product types

    • High-performance dyes and pigments for sportswear, industrial fabrics, and technical blends
    • Specialty colorants for automotive textiles
    • Certified dye standards for textile quality laboratories

    6. Polymer Antioxidant Precursor for High-Performance Resins

    Engineered plastics producers employ 2',4',6'-Trihydroxyacetophenone Monohydrate as a precursor in the synthesis of phenolic antioxidants added to polyolefin and engineering thermoplastic resin systems. Controlled reaction with phosphites or hindered amines grants downstream polymers improved oxidative and thermal stability. Material handling adheres to established food-contact regulatory limits and batch traceability protocols.

    Industry compliance standards

    • FDA 21 CFR §177.1520 Polyolefin Regulations (for food-contact use)
    • EU Commission Regulation (EU) No 10/2011 on plastic food contact materials
    • UL 94 (Tests for Flammability of Plastic Materials)
    • ISO 9001:2015 Quality Control for additive manufacturing

    Typical usage ratio

    • 0.1–0.4% w/w in masterbatch additive concentrates; actual amount contingent on target resin stabilization duration and final product application profile

    Downstream process integration

    • Converted in-situ to antioxidant or stabilizer additive, compounded into polymer melts upstream of pelletizing and downstream injection molding steps

    Final product types

    • Antioxidant masterbatches for polyolefins and engineering plastics
    • Automotive and electronic-grade plastic components
    • Plastic films for food packaging
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    Certification & Compliance
    More Introduction

    2',4',6'-Trihydroxyacetophenone Monohydrate: Raw Material Quality, Production Insights, and Real-World Uses

    From Sourcing to Finished Product: What Drives Consistency in Trihydroxyacetophenone Manufacturing

    Years of producing 2',4',6'-Trihydroxyacetophenone Monohydrate have shown the importance of tight process control. Our raw acetophenone sources come under strict acceptance standards to prevent off-profile impurities that can cause trouble downstream. Machines alone can't guarantee a consistent product—line operators diagnose subtle changes in color or moisture even before analytical data arrives. Our batches follow a strict recrystallization routine, and this is not a bureaucratic hurdle. It’s the main tool keeping trace contaminants out, especially ones that show up after storage or handling. We favor batch production over continual-flow for this chemical, which makes it easier to trace the root of any detected deviations. Genuine experience counts—junior technicians learn firsthand that attention during the drying phase makes or breaks the monohydrate’s stability. Moisture content becomes a liability unless held fast within the accepted window.

    Product Model, Packaging Choices, and Storage Solutions Tested by Experience

    We have standardized our product under the model 2',4',6'-Trihydroxyacetophenone Monohydrate to differentiate it from the common anhydrous form. Packaged typically in double-layered PE-lined fiber drums, each container holds between 10 and 25 kilograms. Insufficient sealing or improper drum material can let in needed oxygen or moisture, triggering polymorphic changes—our team caught this years ago after a seasonal humidity swing. Those missteps taught us that while the chemical is stable in the short run, leaving supplies exposed to air or sunlight even for a week can affect the crystalline nature. Even a hard-learned lesson from a minor labeling error led to batch loss: accuracy in packaging, labeling, and sealing pays off in long-term product integrity.

    Where Laboratory Chemistry Matches Industrial Demand

    Most requests for 2',4',6'-Trihydroxyacetophenone Monohydrate come from R&D chemists searching for a robust starting material, thanks to its reliable phenolic and ketone functional groups. Large-scale users, from pharmaceuticals to agrochemical syntheses, prioritize batch-to-batch reproducibility. Standard lab-scale syntheses with inconsistent phenol ratios or unpredictable hydration have pushed some users toward lesser-performing substitutes. The monohydrate form offers a much needed stability—not just for storage, but during long, multi-step reactions under open-air conditions.

    Veterans in the field recall older stockpiles of technical-grade acetophenone plagued by color drift and odor that crept up with time, a clear sign of trace oxidants or incomplete purification. By learning from those older processes, we’ve locked down best practices in both analytics and handling. Customers in dye intermediates, antioxidant production, and fine chemical synthesis now pass audits confidently, not because of luck, but by relying on our reproducible batches delivered within set moisture and purity boundaries.

    Structural Differences Set By Production, Not Just Chemistry

    At a molecular level, it’s tempting to treat the monohydrate as just another acetophenone derivative. Our experience shows otherwise. Anhydrous forms will often clump or demonstrate uneven solubility over time, especially if exposed to open air during transfer. The monohydrate resists caking, an observation tracked during multiple heat-and-moisture challenge tests. Other manufacturers have reported shifts in therapeutic syntheses after swapping hydrates for anhydrous lot, sometimes resulting in crystallization failures during downstream steps. Loss of a single bound water molecule doesn’t sound dramatic until you see a thousand-liter kettle stall out during a late-stage reaction.

    Purity claims float around the industry, but strength lies in repeatability. A single HPLC profile means little if subsequent lots drift. We have retired older purification setups after tallying failed batches linked to micro-traces of p-hydroxyacetophenone or other phenolic neighbors. Our in-house analytics look at lot-to-lot stability and secondary degradation profiles over months, not days. That’s why our regular feedback loops include the chemical’s actual solubility and reactivity in solvent mixtures designed to mimic both laboratory and pilot plant conditions.

    Quality Assurance Rooted in Practice, Not Just Numbers

    Quality isn’t built solely on final certificate-of-analysis readings. Routine analysis tracks water loss, unexpected byproducts, and color changes over time, but visual inspection and operator judgment still carry weight at our plant. Equipment calibration is handled on-site, with the senior staff double-checking key readings and flagging anomalies instantly. Every new staff member is mentored through these checks, not left to robotic adherence to process maps. During audits—both internal and third-party—open records reveal every batch test, successful or failed, which means clients see the entire history, not just cherry-picked highlights.

    Purity levels in our monohydrate consistently exceed 99%, a reflection of the concerted monitoring through every step, from raw material acquisition to final packing. End users can review this data by request, confident that shortcuts haven’t slipped through, even under tight shipment deadlines. Batch traceability has avoided problems before they become client complaints. A few years back, a small but unacceptable color shift in an intermediate led us to uncover a supplier change in starting phenols—our documentation traced it in hours, not weeks.

    Role as Key Raw Material: Synthesis and Real-Life Stories from Downstream Applications

    Years on the production floor drive home that 2',4',6'-Trihydroxyacetophenone Monohydrate is more than a niche intermediate. It’s foundational in synthesis chains for pharmaceuticals like flavonoid derivatives and important dye molecules. Stories reach us from key laboratories and industrial partners: one team achieved 7% higher yield in their hydroxyflavone series after switching to our monohydrate. Another, working in antioxidant research, found fewer impurities in final products thanks to improved solubility and dryness control during scale-up.

    The phenolic character lends itself to coupling reactions, especially where both purity and hydration have knock-on effects on downstream step yields. Many downstream syntheses, especially where late-stage reduction or methylation steps are involved, require precise control of input quality. Stray decomposition of the hydrate due to environmental mistakes in shipping can cascade into multi-million-dollar losses if not managed, a problem our packaging adjustments helped resolve for a global dye manufacturer.

    Handling, Transportation, and Lessons Learned from the Field

    Transporting chemical intermediates brings its own share of challenges. Early shipments of the product packed during monsoon season—without enough desiccant—taught us how even short-term humidity exposure can shift analytical readings. Over time, we introduced more rigorous drum sealing and thermal insulation for long-haul transport, a move that eliminated clusters forming at the drum base by the time the product arrived overseas.

    Our drivers and logistics partners go through regular training, not only around general handling but with insight on how vibration, temperature, or extended warehouse layovers can change a chemical’s usability. Fewer returns or lane complaints indicate that getting these details right prevents wasted effort across the supply chain.

    Comparison: Monohydrate vs Anhydrous and Other Phenolic Ketones

    Side-by-side, the monohydrate form stands out for both process and practical reasons. Anhydrous versions, while handy in certain syntheses, present higher caking risks and need extra stabilization care, documented in failed batches during high-moisture storage. Substituting other polyhydroxy-acetophenones introduces reactivity unpredictability—anyone who’s seen a flask fail at the esterification phase knows this well.

    Our regular clients in pigment and intermediate production specifically request the monohydrate due to its more reliable solubility and shelf-life, preferences that have been shaped after years of field trials. Other phenolic ketones suffer from higher cost or rare impurity challenges, which every industrial chemist recognizes as a warning sign for scale-up failures.

    Environmental Impact and Responsible Waste Management

    In chemical manufacturing, environmental responsibility isn’t just a buzzword. Waste from our purification and crystallization lines, mostly filtered solvents and rinse waters, get neutralized and processed in our in-house treatment facilities. This comes from hard lessons where overlooked batch waste caused headaches with local authorities. Emission monitoring, documented day-to-day, ensures our operations meet both local regulations and voluntary self-imposed targets.

    We also re-use non-hazardous process water and optimize solid waste streams to keep disposal volumes in check. Over time, this shows up as both lower operational cost and fewer compliance issues—benefits that become clear after reviewing multi-year trend data. Practical decisions like these solidify relationships with stakeholders, from local community leaders to regulators.

    Supporting Innovation and Collaborating with Clients

    Chemists dream up new product lines, but successful launches always begin with stable, reliable raw materials. Time and again, pilot-plant teams have credited streamlined start-up to our willingness to tweak specifications or adjust packaging for new applications. Our technical support team keeps lines open for troubleshooting—not just in theory, but based on what happens on the ground. Decades of feedback from the pharmaceutical side shapes our future production runs, and as more partners come to us with challenging, multi-step syntheses, collaborative trials become the norm.

    We share real sample histories, not just polished marketing highlights, and work side-by-side through optimization runs. Quality circles with our long-term customers help us catch specification creep early. These regular conversations cut down on wasted time and foster transparency between our team and external researchers. Mutual trust only builds when we’re ready to demonstrate, in real terms, where process tweaks paid off or where lessons were plain to see.

    Long-Term Stability, Problem-Solving, and the Value of Experience

    The chemical industry rarely gives second chances after a major problem. After years navigating market shifts, supply interruptions, and regulatory changes, we see the real value in on-the-ground experience with 2',4',6'-Trihydroxyacetophenone Monohydrate. Batch documentation, storage practices, partnerships, and old-fashioned chemical intuition prove just as critical as analytical specs on paper.

    Whether supporting a demanding pharmaceutical protocol or a tough production run in dye manufacturing, our focus keeps coming back to hands-on quality, process learning, and honest communication. If a problem appears, the entire chain from synthesis to shipping jumps in with solutions instead of finger-pointing. Factory staff, technical advisors, and partner labs together drive these compounds from reliable commodity to true keystone intermediate—empowering innovation because the basics are done right, every time.