Caffeic Acid CAS: 331-39-5

CAS number: 331-39-5

English name: Caffeic acid

Chemical formula: C9H8O4

Molecular weight: 180.15

Alias: 3,4-dihydroxycinnamic acid

Properties: Yellow crystals (water), which turns orange when exposed to lye, which is irritating.

Density (g/mL, 25/4℃): 1.478

Melting point (ºC): 194-198

Boiling point (ºC, normal pressure): 223~225 (dec)

Flash point (ºC): 220

Solubility: soluble in hot water and ethanol, slightly soluble in cold water

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