Products

P-Coumaric Acid

    • Product Name: P-Coumaric Acid
    • Alias: 4-Hydroxycinnamic acid
    • Einecs: 202-886-1
    • 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 514962
    Chemical Name P-Coumaric Acid
    Iupac Name 4-hydroxycinnamic acid
    Molecular Formula C9H8O3
    Molar Mass 164.16 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 210-213°C
    Solubility In Water Slightly soluble
    Cas Number 501-98-4
    Density 1.27 g/cm³
    Pka 4.64
    Storage Conditions Keep in a cool, dry place, tightly closed
    Synonyms Para-coumaric acid, 4-Hydroxycinnamic acid
    Odor Odorless
    Pubchem Cid 637542

    As an accredited P-Coumaric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing P-Coumaric Acid is packaged in a 100g amber glass bottle with a screw cap, featuring clear labeling and safety information.
    Shipping P-Coumaric Acid is shipped in tightly sealed containers to protect it from moisture and light. It is typically packed in amber glass bottles or HDPE containers, with appropriate labeling for chemical identification and hazard information. The package should comply with regulations for non-hazardous chemicals and include necessary documentation for safe transport.
    Storage P-Coumaric acid should be stored in a tightly closed container, kept in a cool, dry, and well-ventilated area away from sources of heat, moisture, and direct sunlight. Protect the chemical from strong oxidizing agents. Recommended storage temperature is 2-8°C (refrigerated). Proper labeling and secure storage help prevent contamination and ensure safety during handling and retrieval.
    Application of P-Coumaric Acid
    Purity 98%: P-Coumaric Acid with 98% purity is used in cosmetic formulations, where it enhances antioxidant capacity and delays oxidative degradation of active ingredients. Particle Size <10 μm: P-Coumaric Acid with particle size less than 10 μm is used in pharmaceutical tablet manufacturing, where it promotes faster dissolution rates and improved bioavailability. Melting Point 210°C: P-Coumaric Acid with a melting point of 210°C is used in high-temperature polymer synthesis, where it maintains chemical integrity and thermal stability during processing. Molecular Weight 164.16 g/mol: P-Coumaric Acid with molecular weight 164.16 g/mol is used in nutraceuticals, where it ensures consistent dosing and accurate formulation of dietary supplements. UV Stability: P-Coumaric Acid with high UV stability is used in sunscreen formulations, where it provides photoprotection and prolongs product shelf life. HPLC Assay ≥99%: P-Coumaric Acid with HPLC assay not less than 99% is used in analytical reference standards, where it ensures precise calibration and reliable quantitative analysis in laboratories. Stability Temperature up to 60°C: P-Coumaric Acid stable up to 60°C is used in food packaging applications, where it preserves antioxidant properties through thermal processing. Solubility in Ethanol 10 mg/mL: P-Coumaric Acid with ethanol solubility of 10 mg/mL is used in beverage fortification, where it enables homogenous mixing and enhances functional health benefits.
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    Certification & Compliance
    More Introduction

    P-Coumaric Acid: A Closer Look from Our Lab Floor

    Discovering P-Coumaric Acid: What Drives Our Work

    Every batch of P-Coumaric Acid in our plant carries the attention to detail that comes from handling a key intermediate day in and day out. This compound, bearing the chemical formula C9H8O3, has quietly proven its value in a range of industries. Our teams have worked with this hydroxycinnamic acid for years, extracting it from plant matter and refining it through our synthesis lines to reach dependable purity. The model our clients most often request sits at a minimum 98% purity (HPLC), with a faintly off-white powder appearance, and a scent that hints at its origins in plant cell walls. Our consistency reflects hundreds of controlled runs and real results under both lab scrutiny and scaled production.

    Tracing P-Coumaric Acid Back to Its Roots

    Understanding P-Coumaric Acid means seeing its roots in natural lignin and plant polyphenol pathways. Within our facility, the synthesis of this compound reflects the realities of material sourcing. Whether starting from ferulic acid or caustic hydrolysis of plant biomass, the regular handling of raw inputs like rice bran or peanut shells highlights the role of agricultural byproducts. Our adjustment of time, temperature, and solvents comes from trial, analysis, and feedback from operators standing at the reactor controls. Each lot gets its identity by the way we handle these decisions, and our recipe has become a constant work in progress.

    The Key Features of Our Standard P-Coumaric Acid

    On the lab bench, our most common model rolls out at above 98% HPLC purity, below 0.5% loss on drying, and a single-digit ash content. It takes care to remove the yellowish impurities that drift in from poor filtration up the line, and we don’t release a drum until the HPLC checks tell us the optical purity. Our team handles bags and drums with product mesh size suited for blending into solvents or buffers, whether for downstream ester synthesis, antioxidant formulations, or analysis work. Melting point can run 210–215℃, but we've seen small shifts with batch scale and input source. Each of these traits stems from handling bulk orders, sampling, and feedback from partners expecting reproducibility batch after batch.

    Sorting Out the Differences: Why Ours Matters

    Years of feedback from formulators, R&D engineers, and quality teams have shown us the real differences that matter. Some clients come with a need for food or cosmetic compliance, sending their questions about grinding medium, heavy-metal content, and the source plant. Our technical documentation pulls from daily practice, not just literature: for instance, we log actual batch numbers tied to each analysis report, and let buyers trace back to the very lot of plant shell or seed cake used as starting input.

    Color consistency stands out: batches from cheap extraction processes often bring a hay-brown hue or clumping caused by lingering proteins or tannins. We use repeated washes and recrystallization, adjusting solvent ratios with the aim of reproducible clarity. The difference shows up in final pH or when partners dissolve product in buffer for enzyme studies. Even with similar specs on paper, off-colors or contamination can clog a spray dryer or distort an HPLC trace, and the industry has learned to avoid the risk. What starts as a minor impurity on the plant floor can land as a batch recall when introduced into precise enzymatic or pharmaceutical systems.

    Putting P-Coumaric Acid to Work: Uses from Lab to Industry

    The use cases for P-Coumaric Acid in our customer network read like a survey of applied chemistry in modern times. For food ingredient companies, our product often lands in natural antioxidant blends, phenolic-rich beverages, and advanced packing films. Cosmetic formulators value our traceable grade for its role in skin-lightening formulas and antioxidant serums. In the fragrance business, small lots go for aldehyde synthesis or as a precursor in fine aroma compounds. R&D teams in pharmaceutical companies press for the highest purity lots in preclinical research studying anti-inflammatory or antimicrobial pathways.

    Our process engineers have seen the difference that batch crystallization can make for these applications. Inconsistent filtering—leaving just a few percent of plant fat or polysaccharide—will clog membrane systems in downstream user lines. The technical teams at our end have fielded calls from overseas partners troubleshooting such complications. So we keep to a filtration and drying regime that exceeds the basic spec, keeping an eye out for the challenges real partners face.

    The Challenges Behind Bulk and Custom Orders

    The business of manufacturing P-Coumaric Acid brings its challenges. Handling aromatic acids means dust containment, sensitive ventilation, and dedicated lines to avoid cross contamination. Operators have learned that a little excess humidity can cause clumping or slow down powder filling, and annual shutdowns focus on upgrading filtration and powder handling. For special lots—a request for smaller particle size or food-safe grade—the process moves from the main reactor floor to an isolated pilot area, with everything logged for traceability.

    Large buyers sometimes come needing higher throughput or a tailored mesh size. We have invested in additional sieving equipment and buffer storage, making it possible to offer both fine powder for rapid dissolution and granules for slower release in certain manufacturing steps. The practical advantage here comes not from technical jargon, but from the day-to-day experience of running two product lines side-by-side and measuring how each drum leaves our warehouse.

    Quality Control: More Than Just Numbers on a Sheet

    Quality teams on our floor do not just go by published specs—they run their own tests with each batch. Every shift, samples hit the HPLC and melting point testers, but routine checks for trace metal, pesticide residues, and microbiological contaminants add a real layer of safety. In recent years, some buyers have needed more data for regulatory filings or have expanded to global markets, and our in-house documentation reflects direct requests: test for known allergens, exclude certain crop input sources, supply a digital certificate tied to each lot. Every measure grows from customer demands and hard lessons, rather than a box-ticking mentality.

    Avoiding Cross-Contamination and Guaranteeing Safety

    Processing environments for P-Coumaric Acid must stay free of residues from other phenolics, pesticides, or heavy metals. The routine drill includes deep cleanouts of process tanks and powder hoppers. For the food and cosmetic trades, incoming raw plant materials get tested for mycotoxins and residual pesticides, based on seasonal risk and supply region. Years spent working this line have convinced us that shortcutting any environmental safety step risks unexpected downstream failures. We make a commitment to align each test step with hazard analysis and the latest regulations, evolving as global standards change.

    What Sets Real Manufacturing Apart

    Manufacturing P-Coumaric Acid differs from repacking or resale operations in several basic ways. Our process starts from plant matter—sometimes from local harvests, other times sourced through our vetted supply chain—breaking it down via hydrolytic or oxidative steps, and following the material right through to finished, bagged product. Every shift means keeping operators trained on the quirks of the chemistry. Too aggressive a hydrolysis, and you degrade side products; too gentle, and extra purification eats up time and solvent. These daily adjustments, unglamorous as they seem, distinguish reliable product from the sort that draws complaints for clogging filters or inconsistent reactivity.

    There is accountability built into each batch released. Failures in the plant are logged and addressed, and every operator gets continual refreshers on GMP protocols. Outbound product carries a batch number and an analysis summary tied to the day’s runs, not just a generic model code. Our front-line staff have learned to recognize small deviations by eye—color drift by half a shade, or a tendency for off-odors that signal incomplete reaction quenching—and these observations make more difference than a certificate alone.

    Facing Industry Challenges: Supply Chain and Raw Materials

    Raw plant supply is never as simple as commodity prices imply. For a natural precursor like P-Coumaric Acid, weather, crop disease, and logistics interruptions hit every year. Our procurement teams learned to develop multiple sourcing streams—using both imported nut shells and local cereal chaff—to avoid the disruptions that plagued less-prepared operations during market shocks. Quality adapts accordingly, with procedures revised to account for regional variation. A drought year in the primary rice-growing source, for example, sends us hunting for alternative carriers with similar lignin breakdown yields.

    Price swings and global transportation challenges require flexibility at the plant level. We keep adaptable buffer storage and moderate the pace of extraction to match both seasonal peaks and client pull. These are real, hands-on solutions tested by our operational teams to keep the rhythm of supply flowing even when upstream volatility disrupts the market. Every kilogram produced depends on dozens of such small operational choices, refined through years of practice.

    Comparisons with Other Hydroxycinnamic Acids

    In our facilities, P-Coumaric Acid often invites comparison with similar phenolic compounds including caffeic, ferulic, and sinapic acids. The differences begin at the plant input stage—ferulic acid from rice bran and maize, caffeic from artichoke or green coffee, and P-Coumaric from peanut shells or barley husks. In chemical handling, P-Coumaric’s lower polarity and less reactive para position impacts both extraction and downstream usability. It melts higher than ferulic acid, dissolves distinctly in ethanol versus alkaline buffer, and brings a sharper HPLC retention time profile.

    For antioxidant strength, P-Coumaric offers a moderate—though robust—scavenging ability, neither as strong as caffeic nor as mild as sinapic. Its relative lack of methylated side chains can provide a more consistent baseline reaction for certain enzyme studies, and, in cosmetics, contributes to stable product shelf life. Our clients in research and specialty manufacturing take interest in these subtle but tangible chemical traits, organizing their product development around these physical differences.

    The practical differences, of course, show up most clearly in production runs or lab tech hands: solubility in chosen solvents, color yield in film, compatibility in flavor extract mixes. Our quality teams see returns for batches made with mismatched grades or poorly distinguished product—mistakes avoided by day-to-day familiarity with how each lot behaves, not just through catalog numbers.

    Solutions Grown from Manufacturing Experience

    Solving the hurdles around P-Coumaric Acid production cannot rest solely on buying better raw materials or running more tests. Our team invests in equipment upgrades—fine filtration, moisture-proof storage, and automated batch tracking—to meet both routine needs and emergency surges. Worker training grows into routine, not afterthought. Feedback loops between production, QA, and logistics staff shape process change: after a run of clumping complaints one humid summer, extra dehumidifiers were installed, not because a manual demanded it, but because actual visual checks downstream made the risk clear.

    Transparency with buyers has become standard practice—a habit born of navigating regulatory inquiries, audits, and the real-world questions of scientists and buyers trying to troubleshoot at their own plants. Documentation travels with each shipment, and technical issues receive responses from the very teams that design or run the reactors, not offsite sales staff. We encourage technical dialogue because the material ultimately informs both research and industry application far beyond our shop floor.

    Looking Forward: Evolving Standards and New Demands

    The market’s risk profile changes constantly. Renewed attention to allergen testing, shifting country standards, or new pharmaceutical methods push the plants to keep innovating. Requests for food-safe, non-GMO sourcing run parallel with demands for greener, solvent-minimized extraction. Meeting these is a full-time project, and the engineering teams have adjusted by running trials with altered input streams or smaller solvent footprints, documenting and sharing each milestone with partnering labs.

    Our investments in process improvement, software-driven batch logging, and real-time monitoring grew from a decade of near misses and lessons learned. The solutions, again, are direct outgrowths of plant-level experience. Each adjustment, from tweaking reactor temperature to expanding filtration options, arises from the daily drive to turn feedback into action. We know that real improvement depends on more than documentation and on-the-surface compliance; the bulk of success rests on careful practice, diligence, and shared knowledge.

    Why We Believe in Direct Manufacturing

    Standing inside the production area brings a sense of responsibility. We see the direct results of our own choices on the batches delivered and the confidence our clients place in clear documentation and traceability. We make improvements not to claim the highest spec, but to reduce returned material and avoid disruptions for those using our P-Coumaric Acid across dozens of real applications. Day after day, we measure progress one drum, one analysis, one client conversation at a time. Pimples in the supply chain, shortfalls in purity, or missed delivery times have taught us lessons that carry more weight than any marketing claim or catalog listing.

    Our work in P-Coumaric Acid brings an ongoing challenge and opportunity: to improve from the lessons lived, to support the users who depend on our product, and to hold standards that matter not only in our plant, but in every downstream piece of research, production, and innovation that draws from our line.

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