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| Product Name: | 1-hydroxybenzotriazole |
| CAS Registry Number: | 2592-95-2 |
| EINECS: | 219-989-7 |
| Synonyms: | 1-hydroxybenzotriazole; 1-hydroxy-; Benzazimidol hydrate; 1H-1,2,3-Benzotriazol-1-ol;1H-Benzotriazole; HOBt; 2592-95-2; Benzazimidol; 1H-Benzotriazol-1-ol; |
| Molecular Structure: |
 |
| Molecular Formula: | C6H5N3O |
| Molecular Weight: | 135.1234 |
| Density: | 1.51 g/cm3 |
| Boiling Point: | 344.6 °C at 760 mmHg |
| Melting Point: | 156-159 ºC |
| Flash Point: | 162.2 °C |
| Refractive index: | n20/D 1.488 |
| Risk Codes: | S16;S33;S7/9 |
| Safety Statements: | R11;R5 |
| Hazard Symbols: | F: Flammable; |