645-08-9
| Name | 3-Hydroxy-4-methoxybenzoic acid |
| CAS | 645-08-9 |
| EINECS(EC#) | 211-430-5 |
| Molecular Formula | C8H8O4 |
| MDL Number | MFCD00002507 |
| Molecular Weight | 168.15 |
| MOL File | 645-08-9.mol |
Chemical Properties
| Appearance | beige to grey-brown powder |
| Melting point | 250-253 °C(lit.) |
| Boiling point | 257.07°C (rough estimate) |
| density | 1.3037 (rough estimate) |
| refractive index | 1.5090 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Powder |
| pka | 4.35±0.10(Predicted) |
| color | Beige to gray-brown |
| BRN | 2208365 |
| InChI | 1S/C8H8O4/c1-12-7-3-2-5(8(10)11)4-6(7)9/h2-4,9H,1H3,(H,10,11) |
| InChIKey | LBKFGYZQBSGRHY-UHFFFAOYSA-N |
| SMILES | COc1ccc(cc1O)C(O)=O |
| LogP | 1.350 (est) |
| CAS DataBase Reference | 645-08-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Hydroxy-4-methoxybenzoic acid(645-08-9) |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338-P280a-P304+P340-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 3 |
| RTECS | BZ4850000 |
| HazardClass | IRRITANT |
| HS Code | 29189900 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |