Industrial & High Purity Grade 3-Pentadecylphenol (Hydrogenated Cardanol) CAS 501-24-6 Bio-Based Phenolic Intermediate for Epoxy Curing Agent

Caffeic Acid (3,4-Dihydroxycinnamic Acid, CAS:501-24-6,EINECS:206-361-2, HS Code:2918290000), molecular formula C₉H₈O₄, molecular weight:180.16. It is pale yellow crystalline powder, slightly soluble in cold water, soluble in hot water, ethanol, methanol and acetone. We supply HPLC ≥98% / ≥99% pharma & cosmetic grade. It belongs to natural phenolic acid, possesses strong antioxidant, anti-inflammatory, bacteriostatic activity. Widely applied in pharmaceutical raw materials, cosmetics, health care products, plant extracts and biochemical research

Applications
Pharmaceutical & API Intermediate (Core Application)
Raw material for hemostatic medicines, improve capillary resistance, reduce vascular permeability. Also used as synthetic intermediate for anti-inflammatory, anti-tumor and cardiovascular related pharmaceutical preparations; raw material for traditional Chinese medicine monomer preparations.
Cosmetic & Personal Care Industry
Functional antioxidant raw material for serum, cream, essence. Scavenge free radicals, inhibit melanin formation, anti-oxidation and anti-photoaging. Inhibit tyrosinase activity, widely used in brightening, anti-aging skincare formulas.
Health Food & Nutraceutical Industry
Natural antioxidant additive for functional food, dietary supplements. Regulate immune activity, anti-oxidation, delay cell aging, applied in plant beverage, health capsules and nutritional powders.
Biochemical & Laboratory Reagent
Standard reference substance for plant polyphenol testing; research reagent for oxidative stress, enzyme inhibition, cell pharmacology experiments, commonly used in university laboratories and R&D institutions.
Food Antiseptic & Fresh-Keeping
Natural food preservative and antioxidant for fruits, vegetable and grain products; inhibit mold and bacteria growth, extend shelf life, fit clean-label product trends.
Agricultural Plant Protection
Botanical fungicide intermediate, enhance crop stress resistance; additive for biopesticides to inhibit pathogenic fungi and reduce plant disease incidence.

Product Advantages
✅ Powerful antioxidant performance: Efficient free radical scavenger, better stability than many plant antioxidants
✅ High purity low impurity: Strict recrystallization process, low heavy metal, meets cosmetic & pharma raw material standards
✅ Natural phenolic structure: Good biological compatibility, easy to absorb, favored by clean beauty and health product manufacturers
✅ Dual purity option: 98% conventional grade & 99% high-purity grade for different formulation requirements
✅ Stable batch quality: Strict HPLC testing for each batch, stable color and content, not easy to discolor under proper storage
✅ Complete document support: COA, MSDS, test reports available for customs clearance and registration

Packaging & Storage
Standard packaging: 1kg / 5kg aluminum foil vacuum bag; 25kg fiber drum with inner PE bag. Store in cool, dry, dark ventilated warehouse. Seal tightly, avoid light, moisture and air oxidation. Separate from oxidants. Shelf life: 24 months under sealed shaded storage.
Safety Information
Non-dangerous goods for general transport. Powder irritates respiratory tract, eyes and skin. Wear dust mask, gloves and goggles during operation. Avoid inhalation dust. In case of eye contact, rinse with plenty of clean water for more than 15 minutes. Complete MSDS, COA available on request.

With 15 years of experience in chemical foreign trade, we offer the following core strengths to support your procurement needs:

1.A 70,000 ㎡ warehouse (20,000 MT capacity) with moisture-proof and temperature-controlled systems, enabling efficient fulfillment of large-volume orders.
2.Free samples (Ship within 3-7 days) to let you test products at zero trial cost.
3.Transparent lead time for hazardous chemicals: 45–60 days, with clear delivery schedules.
4.Certified with a Hazardous Chemical Business License and ISO certification, ensuring smooth customs clearance.
5.6 packaging options with customizable logos to minimize product loss during transportation.
6.Over 400 chemical SKUs available for one-stop procurement, helping you reduce sourcing costs.

Please share your purchase volume, target market, and other requirements, and we will tailor a customized solution for you!