156-38-7
| Name | 4-Hydroxyphenylacetic acid |
| CAS | 156-38-7 |
| EINECS(EC#) | 205-851-3 |
| Molecular Formula | C8H8O3 |
| MDL Number | MFCD00004347 |
| Molecular Weight | 152.15 |
| MOL File | 156-38-7.mol |
Chemical Properties
| Appearance | white to cream or light tan crystalline powder |
| Melting point | 148-151 °C(lit.) |
| Boiling point | 234.6°C (rough estimate) |
| density | 1.2143 (rough estimate) |
| vapor pressure | 0.007Pa at 25℃ |
| refractive index | 1.4945 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | 50g/l |
| form | Crystalline Powder |
| pka | 4.50±0.10(Predicted) |
| color | White to cream or light tan |
| PH | 2.0-2.4 (30g/l, H2O, 20℃) |
| Water Solubility | Soluble in dimethyl sulfoxide and methanol. Slightly soluble in water. |
| BRN | 1448766 |
| InChI | 1S/C8H8O3/c9-7-3-1-6(2-4-7)5-8(10)11/h1-4,9H,5H2,(H,10,11) |
| InChIKey | XQXPVVBIMDBYFF-UHFFFAOYSA-N |
| SMILES | OC(=O)Cc1ccc(O)cc1 |
| LogP | 0.75 at 25℃ |
| CAS DataBase Reference | 156-38-7(CAS DataBase Reference) |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 3 |
| RTECS | AI2680000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| REACH Registrations | Active |
| HS Code | 29182990 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |