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Caffeic Acid

CAS No.:331-39-5
Product Grade: Food Grade
Purity / Assay: 98% min
Molecular Formula:C₉H₈O₄
Molecular Weight:180.16
Synonym(s):Caffeic acid, 3,4-Dihydroxycinnamic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid

a natural phenolic acid with strong antioxidant properties, widely distributed in the plant kingdom. It occurs in coffee, fruits, vegetables, propolis and medicinal herbs, and is recognized for its radical-scavenging and health-beneficial activities. It is used in dietary supplements, cosmetics, functional foods and as a chemical standard and synthesis intermediate. The product is manufactured under strict quality control with batch-to-batch consistency verified by GC analysis, meeting food-grade specifications for safe and reliable commercial use. KieRay Chem is a reliable supplier of Caffeic Acid (CAS: 331-39-5). Available in standard commercial pack sizes with complete documentation, it meets the requirements of global industrial buyers.

• Acts as a potent natural antioxidant for nutraceutical, functional food and cosmetic formulations supporting oxidative balance. This ensures reproducible and dependable performance in commercial compounding and food manufacturing. It is also suitable for use in continuous production lines and small-batch custom formulations alike, delivering stable value across diverse application scenarios.
• Provides a plant-derived active ingredient for skincare products aimed at soothing, anti-aging and photoprotection benefits. Combined with stable quality and reliable supply, it fits both routine production and new product development. It is also suitable for use in continuous production lines and small-batch custom formulations alike, delivering stable value across diverse application scenarios.
• Serves as a reference standard and starting material in the synthesis of hydroxycinnamic acid derivatives and esters. Its versatility extends value across beverages, bakery, confectionery, dairy, savory and household segments. It is also suitable for use in continuous production lines and small-batch custom formulations alike, delivering stable value across diverse application scenarios.
• Offers anti-inflammatory and antimicrobial potential valued in dietary supplements and herbal preparations. This makes it a practical choice for formulators seeking consistent sensory and functional results. It is also suitable for use in continuous production lines and small-batch custom formulations alike, delivering stable value across diverse application scenarios.
• Supplied as a high-purity powder with certificate of analysis including heavy metal and microbial testing. This ensures reproducible and dependable performance in commercial compounding and food manufacturing. It is also suitable for use in continuous production lines and small-batch custom formulations alike, delivering stable value across diverse application scenarios.

25kg/bag, 25kg/drum, IBC Drum
CAS No.: 331-39-5

Product Name: Caffeic Acid

Purity / Assay:98% min
Molecular Formula:C₉H₈O₄
Molecular Weight:180.16
EINECS No.:206-361-2
Synonym(s):Caffeic acid, 3,4-Dihydroxycinnamic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid

For global customers, we provide complete technical documentation to support product evaluation, regulatory compliance and safe handling during transportation and application.

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