| Identification | ||
| Name | Caffeic acid | |
| Synonyms | 3,4-Dihydroxycinnamic acid | |
|
||
| Molecular Structure |
|
|
| Molecular Formula | C9H8O4 | |
| Molecular Weight | 180.16 | |
| CAS Registry Number | 331-39-5 | |
| EINECS | 206-361-2 | |
| Properties | ||
| Melting point | 194-198 ºC (dec.) | |
| Water solubility | soluble in hot water | |