| Molecular Formula | C6H8O4S |
| Molar Mass | 176.19 |
| Melting Point | 42-49°C(lit.) |
| Flash Point | 53 °C |
| Water Solubility | transparency |
| Appearance | powder to lump |
| Color | White to Gray to Red |
| BRN | 4552655 |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD00149976 |
| Hazard Symbols | C - Corrosive![]() |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2585 8/PG 3 |
| WGK Germany | 3 |
| RTECS | DB4200000 |
| Hazard Class | 8 |
| Packing Group | III |
| Application | benzenesulfonic acid monohydrate is mainly used to prepare phenol by alkali fusion, and also used to prepare resorcinol, etc, it is often used as a catalyst in esterification and dehydration reactions. |