Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Chrysin

    • Product Name Chrysin
    • Alias 5,7-Dihydroxyflavone
    • Einecs 202-193-5
    • 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
    Specifications

    HS Code

    934293

    Name Chrysin
    Chemical Formula C15H10O4
    Molecular Weight 254.24 g/mol
    Appearance Yellow crystalline powder
    Solubility In Water Poor
    Melting Point 285-286°C
    Cas Number 480-40-0
    Source Natural flavonoid from passionflower and honeycomb
    Synonyms 5,7-Dihydroxyflavone
    Uses Dietary supplement, studied for anti-inflammatory and antioxidant effects
    Bioavailability Low
    Taste Bitter
    Storage Store in a cool, dry place
    Ph Neutral
    Stability Stable under normal conditions

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

    Packing & Storage
    Packing Chrysin is packaged in a sealed, amber glass vial containing 5 grams, labeled with product details, hazard warnings, and storage instructions.
    Shipping Chrysin is shipped in tightly sealed, chemical-resistant containers to prevent contamination and degradation. It is typically transported at room temperature, but away from direct sunlight and moisture. All packages comply with regulatory guidelines, and appropriate labeling ensures safe handling. Safety data sheets are provided for reference during shipping and handling.
    Storage Chrysin should be stored in a tightly sealed container, protected from light and moisture, at room temperature (15-25°C). It should be kept in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents. For optimal stability, refrigeration (2–8°C) is recommended, and the container should be opened only in a fume hood to avoid inhalation of dust.
    Application of Chrysin

    Purity 98%: Chrysin Purity 98% is used in pharmaceutical formulations, where it enhances anti-inflammatory efficacy and reduces batch impurities.

    Melting Point 285°C: Chrysin Melting Point 285°C is used in high-temperature synthesis processes, where it ensures structural integrity of active ingredients.

    Particle Size <10 µm: Chrysin Particle Size <10 µm is used in dietary supplement manufacturing, where it improves solubility and bioavailability.

    Stability Temperature 25°C: Chrysin Stability Temperature 25°C is used in cosmetic formulations, where it maintains compound potency during shelf life.

    UV Absorbance 340 nm: Chrysin UV Absorbance 340 nm is used in analytical laboratories, where it supports accurate detection and quantification in quality control.

    Assay ≥ 99%: Chrysin Assay ≥ 99% is used in research applications, where it provides consistent results and reproducible biological effects.

    Solubility in Ethanol 10 mg/mL: Chrysin Solubility in Ethanol 10 mg/mL is used in liquid supplement preparations, where it facilitates homogenous blending and stability.

    Microbial Limit ≤ 100 cfu/g: Chrysin Microbial Limit ≤ 100 cfu/g is used in injectable formulations, where it ensures product safety and compliance with pharmacopeia standards.

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    Certification & Compliance
    More Introduction

    Chrysin: Experienced Manufacture, Honest Insight

    Understanding Chrysin and Its Chemical Nature

    Chrysin stands out in our lineup because of its chemical purity and long-established use across several research and health-related fields. Unlike trend-driven compounds that undergo endless rebranding, Chrysin’s backbone—chemically known as 5,7-dihydroxyflavone—remains both familiar and essential. For decades, our production team has focused on steady, high-grade outputs, delivering Chrysin models with purity above 98%. Each batch meets this threshold consistently; we settle for nothing less, because inconsistency leads to unreliable outcomes in sensitive laboratory work.

    Seasoned scientists and professional buyers instantly recognize Chrysin’s pale-yellow crystalline appearance and expect a melting point near 285°C. These details reveal more about its stability and composition than page-long claims about “superior extraction” ever could. Genuine quality should make its case in the laboratory, not in the marketing brochure.

    Field-Proven Applications and Insights From Practical Use

    We manufacture Chrysin primarily to serve research institutions, formulation developers, and specialized biotech companies. Most interest comes from researchers involved in flavonoid biochemistry, endocrine studies, and advanced nutritional science. The compound’s role as an aromatase inhibitor—validated in peer-reviewed studies—gains plenty of attention, especially among those exploring pathways related to testosterone modulation or estrogen synthesis. Some groups have experimented with Chrysin in cell culture models to evaluate anti-inflammatory or antioxidant profiles. Our manufacturing records show that once researchers get comfortable with a reliable batch, they return year after year, because changing suppliers often introduces unwanted variables.

    Although Chrysin’s oral bioavailability presents challenges, this issue stems from its fundamental physical properties, not from differences in manufacturing method. We have worked closely with several clients exploring improved delivery systems—liposomal encapsulation, nanoparticle suspensions, and co-formulation with bioenhancers. Many projects push for greater uptake, looking beyond the raw powder, but all successful trials started with pure, consistent Chrysin. If the starting point wavers, downstream development wastes resources chasing ghosts.

    Why Consistent Manufacturing Matters in Chrysin Production

    The biggest difference between manufacturer-supplied Chrysin and bulk intermediates traded through shadowy importers shows up in reliability and documentation. Our process—built around robust crystallization and solvent purification steps—lets researchers track impurity profiles, batch-to-batch. We use HPLC and FTIR to confirm identification and quantify purity, maintaining full traceability from raw material purchase through final packaging. This kind of rigor matters to anyone developing reference standards or feeding data to regulatory agencies. No amount of flash-free marketing can replace being able to furnish actual chromatograms and batch history on request.

    Attempts at shortcutting production with low-specification intermediates or outsourcing to unverified shops often introduce unidentified substances. Such inconsistencies risk false positives in testing, which delays drug development or derails clinical studies. It also complicates patent filings, as patent examiners demand repeatable, well-characterized materials. By engineering every step—from raw material selection to controlled drying—ours carry a lower risk profile and unwavering reproducibility.

    Comparison With Other Flavonoids

    Chrysin’s unique draw partly comes from its molecular structure. The twin hydroxyl groups at the 5 and 7 positions on the flavone core distinguish it from quercetin, apigenin, or baicalein. Laboratory teams confirm this difference through both reactivity and analytical fingerprints. For example, quercetin features additional hydroxylation and responds differently in antioxidant assessment; apigenin lacks the same inhibitory effects in endocrine lines.

    End-users targeting aromatase activity specifically request Chrysin after screening common flavonoids: apigenin’s use leans antioxidant while quercetin displays broader biological activity but less selectivity for aromatase targets. Some flavor houses or food supplement formulators initially confuse Chrysin with these neighbors, but any side-by-side review—in solubility, HPLC profile, or biological testing—quickly clarifies the distinctions. Decades of handling both Chrysin and its analogs have shown us that preparation method, purity verification, and ensuing behavior in formulation each leave their mark, making superficial comparison almost meaningless. The details shape the real value.

    Specifications: More Than Numbers

    Production relies on strict control over starting material sourcing and solid analytical follow-through. Chrysin models from our facilities hold tight parameters—identified molecular formula C15H10O4, a melting range of 283-285°C, and low moisture content, typically below 0.5% by Karl Fischer. Loss on drying is tightly monitored every cycle; unchecked, residual solvents and unwanted hydration degrade both shelf life and reactivity. Chromatography numbers, as well as UV absorbance maxima, confirm authenticity and baseline stability.

    We believe anyone evaluating Chrysin—whether for a preclinical trial, a pilot nutraceutical line, or basic enzyme assays—deserves full transparency. Unverified claims about “pharmaceutical grade” compounds often crumble when subjected to honest HPLC or mass spectrometry work. Our product does not need exaggerated tiering or layering—purity, identity, and consistency outshine packaging or clever buzzwords.

    Insights Into Storage and Handling

    Shelf-stable Chrysin stores best in tightly-sealed, light-blocking containers, away from ambient humidity. While this advice sounds straightforward, its importance comes straight from direct experience. Over the years, improperly warehoused shipments or careless bulk transfers have led to degraded sample usability. Moisture leads to clumping and color drift; prolonged exposure to ambient heat even shifts the spectral signature, which ruins its scientific use. We still recommend always dividing high-purity Chrysin stock into smaller aliquots to limit air exposure, especially for long-term research archives or slow-moving formulation trials.

    Shipping Chrysin internationally came with its own set of lessons. Airfreight routes expose sensitive shipments to temperature extremes, variable delays, and higher humidity. Carefully sealed packaging—mylar-lined, vacuum-sealed bags within sturdy drum containers—prove more practical than elaborate, multilayer vacuum jars or expensive glassware. Internal testing of retained reference samples, after real shipping stress, confirms stability to specification. Feedback from international clients proved crucial: we learned to upgrade outer drum labeling to prevent customs hold-ups that may overexpose product to environmental risk.

    Addressing Misconceptions and Field Realities

    Much of the confusion about Chrysin’s use traces to overconfident claims about its bioactivity in the dietary supplement sector. While lab-based inhibitory action against aromatase holds up under careful conditions, oral bioavailability lags behind most industry hype due to poor intestinal absorption and rapid metabolism. This conclusion didn’t emerge from meta-analyses alone — years of distributor feedback and direct customer field data repeatedly highlighted variations in experimental outcomes caused by formulating Chrysin in water or oil without solubility enhancers.

    Genuine progress only followed collaboration between formulation chemists and research partners to engineer combination blends with piperine or phospholipids. Our in-house R&D team participated in several case studies, verifying that such blends improved plasma levels in animal models compared with plain Chrysin powder. While some end-users keep chasing “pure standalone” effects, those working toward published results or regulatory approval shifted focus to blended preparations. This isn’t a failing of the compound; it’s acknowledgment of the realities set by chemistry, not marketing. The facts point to a need for hands-on technical collaboration, not generic resale.

    Common Use Cases We've Witnessed

    In our experience, Chrysin continues to see robust demand from academic labs investigating natural aromatase inhibition, antioxidant effects, and cell signaling. Institutes performing enzyme kinetic assays, pharmaceutical developers screening compounds for early-stage drug discovery, and nutraceutical startups evaluating botanical actives all draw from our standard production batches. Some apply Chrysin in topical cosmetic formulations targeting skin inflammation; others run long-term animal studies as part of metabolic research. We’ve supported clients targeting anti-glycation endpoints and certain vascular health markers, based on the documented literature highlighting Chrysin’s potential. Across all these sectors, precision in both supply and documentation defines whether progress follows.

    The most successful partnerships grow out of direct communication about project goals and technical needs, not just price lists. Over the years, we’ve sat through pilot runs of microencapsulation, pressed tablets, and even custom-blended functional beverages. In all cases, the backbone remains dependable, high-purity Chrysin, free from masking fillers or sales-driven modifications. This measured approach avoids the costly breakdowns that follow when “good enough” seems easier than stringent sourcing.

    Lessons Learned From Problem Cases

    Our customer service records make one trend stark: failure to specify or verify Chrysin at the manufacturing layer leads to bottlenecks and lost investment downstream. Nutritional supplement projects that source from generic brokers operate with vague guarantees—once a batch fails identity testing or doesn’t meet dissolution specs, damage ripples through the whole development schedule. Rescue projects after recall events show the same pattern. In one case, a cosmetic house approached us after a shipment from an unverified supplier failed heavy metal screening and left bulk product unsellable; it fell upon us to quickly supply verified Chrysin so their production line could recover regulatory compliance and market access. Such mishaps fuel our determination to maintain full transparency and batch documentation.

    We often field technical support questions from researchers who confront batch-to-batch inconsistency between lots sourced from importers. It always circles back to poor chain-of-custody and absence of reliable analytical backup. We keep production records and retain samples for years, documenting every lot produced—offering certifiable history that stands up to grant reviewer, FDA inspection, or journal editor scrutiny. This kind of institutional memory and meticulous archiving grows out of deep-rooted experience, not fleeting supply chain arrangements.

    Environmental, Social, and Regulatory Considerations

    Responsible chemical manufacturing demands more than just technical prowess. As awareness grows about environmental impact, solvent recovery and waste stream minimization form key parts of our production planning. The selection and handling of starting botanicals—usually Scutellaria baicalensis or Passiflora caerulea—respect agricultural seasonality. We run supplier audits to ensure responsible sourcing and avoid overharvesting, with a preference for farms using integrated pest management practices. These aren’t just marketing taglines; we’ve invested in solvent recycling, LEV ventilation, and heating-cooling utilities optimized for both safety and minimal emissions.

    Regulation also shapes our approach in meaningful ways. With Chrysin used in research and nutraceutical sectors, trace element screening, microbial control, and allergen declaration exceed minimum national standards. Every lot faces HPLC-purity and heavy metal screens, with documentation fully available for compliance needs. The scrutiny is real—both from outside agencies and our internal quality assurance staff, who answer only to robust industrial practice, not wishful market forecasts. Only batches with pristine documentation move on to sale.

    Looking at the Future: Trends and Challenges

    The Chrysin landscape has started shifting, as research users demand more than raw compound—they look for proven delivery platforms and synergistic blends. There’s rising interest in multi-component nutraceuticals, with Chrysin combined with curcumin, resveratrol, or other botanical extracts, aiming for complex health claims. Effective collaboration between compounds means formulating with precision, understanding interaction risks, and studying both pharmacokinetics and regulatory boundaries.

    From the factory floor, we see technical challenges on solubility, bulk powder flow, and shelf-life stability shape what’s possible. Our in-house teams keep sessions with academic and industry partners to stay ahead of the next round of formulation puzzles—preparing for a future where Chrysin no longer ships as plain powder, but as rigorously engineered functional particles, suspensions, or microcapsules. Yet amid all this evolution, the core principle remains: maintain uncompromised purity, backed with evidence, and communicate clearly with end-users about what Chrysin offers—and where its strengths actually lie.

    Building Trust Through Honesty and Experience

    Chemical business, especially with laboratory reagents like Chrysin, isn’t about promises or aggressive marketing. It’s about evidence, openness, and the will to improve with every batch and every customer outcome. We remain focused on transparent records, full compliance, and supporting scientific advancement through genuine reliability. The value in Chrysin doesn’t come only from the molecule—it comes from a manufacturer’s willingness to stand behind it, day in and day out, with real documentation and a clear channel for feedback.

    Chrysin’s role may shift as research continues and scientific understanding deepens, but our commitment stands on years of hands-on practice and verifiable results. This approach keeps our product in reputable labs, trusted supply chains, and enduring research partnerships—where quality and truth matter most.