| [Product name]: | 3,4-Dihydroxycinnamic acid |
| [Structural Formula]: |  |
| [Molecular Formula]: | C9H7O4 |
| [Molecular Weight]: | 179.15 |
| [CAS NO]: | 331-39-5 |
| [Packing]: |
| Properties | |
| Appearance | Yellow crystal |
| Melting range ºC | 194-196 |
| Quality Specifications | |
| Purity% | ≥99.0 |
| Moisture % | ≤0.5 |