| Molecular Formula | C6H4O6 |
| Molar Mass | 172.09 |
| Melting Point | >300°C(lit.) |
| Boling Point | 370.6°C at 760 mmHg |
| Flash Point | 192.1°C |
| Vapor Presure | 5.3E-07mmHg at 25°C |
| Appearance | powder to crystal |
| Color | Dark green to Dark red to Black |
| Merck | 14,9249 |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD00001597 |
| Physical and Chemical Properties | WGK Germany:3 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| use | tetrahydroxy-1, 4-benzoquinone is a quinone organic matter, which can be used to prepare metal casting blackening liquor and alkali-producing reagents, etc. |