p-coumaric acid
Description
p-Coumaric acid (CAS 7400-08-0), also recognized commercially as p-hydroxycinnamic acid, is a naturally occurring hydroxycinnamic acid sourced from plant extracts or produced synthetically for industrial supply.
It functions primarily as an antioxidant, UV-absorbing agent, and bioactive intermediate across pharmaceutical, nutraceutical, and cosmetic manufacturing. In pharmaceutical synthesis, it serves as a key intermediate.
This material is used in the production of active compounds, including resveratrol analogs and other polyphenolic APIs. Nutraceutical and functional food formulators incorporate it as a plant-derived antioxidant.
It is frequently found in dietary supplements, botanical extracts, and standardized herbal preparations. In cosmetic formulations, its UV-absorbing and antioxidant properties make it relevant for inclusion.
Common applications include sunscreen actives, anti-aging serums, and skin-brightening products. Food manufacturers also evaluate it as a natural antioxidant stabilizer in specialty food and beverage applications.
The product is supplied as an off-white to pale yellow crystalline powder. It is available in technical grade for industrial synthesis and in higher-purity grades for specialized manufacturing.
These include USP-aligned and research-grade specifications for pharmaceutical and nutraceutical applications. Packaging typically ranges from small quantities for development to bulk quantities.
Our supply chain ensures consistent quality for commercial-scale production. We provide comprehensive documentation to support regulatory compliance and formulation stability across all industrial sectors.
Physical Properties
| Melting Point | 211.5 °C |
| Boiling Point | 251.61°C (rough estimate) |
| Density | 1.2132 (rough estimate) |
| Appearance | Light yellow to beige crystalline powder |
| Color | White to Off-White |
| Form | Solid |
| Refractive Index | 1.5380 (estimate) |
| Log P | 1.790 |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 2918 29 00 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 2 |
Documentation
Other Names
p-hydroxyphenylacrylic acid|p-hydroxycinnamic acid|beta-[4-hydroxyphenyl]acrylic acid|4'-hydroxycinnamic acid|3-(4-hydroxyphenyl)acrylic acid|3-(4-hydroxyphenyl)-2-propenoic acid|para-coumaric acid|trans-p-Coumaric acid
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