Major Category
Other Classes
Synonyms
3,4-Dihydroxybenzeneacrylic acid; 3,4-Dihydroxycinnamic acid; 3-(3,4-Dihydroxy phenyl)-2-propenoic acid; 3-(3,4-Dihydroxyphenyl)-2-propenoic acid; 3-(3,4-Dihydroxyphenyl)propenoic acid; 4-(2'-Carboxyvinyl)-1,2-dihydroxybenzene; 4-(2-Carboxyethenyl)-1,2-dihydroxybenzene; Cinnamic acid, 3,4-dihydroxy-; [ChemIDplus]
Description
Yellow solid; Slightly soluble in cold water, soluble in hot water; [Merck Index] Light yellow powder; [MSDSonline]
Sources/Uses
A constituent of plants; Can be isolated form green or roasted coffee; [Merck Index] No known significance as commercial product; [HSDB] "Caffeic acid is found in many fruits, vegetables, seasonings and beverages consumed by humans, principally in conjugated forms such as chlorogenic acid." [IARC]
Comments
Causes epithelial hyperplasia in forestomach of rats given 20 g/kg of diet for 4 weeks; [HSDB] An irritant; Targets G.I. tract and kidneys; [MSDSonline]
Vapor Pressure
2.52E-07 mm Hg
IARC Carcinogen
Possible (2b)
Other Information
No other related information on this agent was found.