Introduction：Basic information about CAS 26725-51-9|4-hydroxybenzotriazole, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-hydroxybenzotriazole |
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| CAS Number | 26725-51-9 | Molecular Weight | 135.123 |
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| Density | 1.6±0.1 g/cm3 | Boiling Point | 473.0±18.0 °C at 760 mmHg |
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| Molecular Formula | C6H5N3O | Melting Point | 224ºC (dec.) |
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| MSDS | / | Flash Point | 239.9±21.2 °C |
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Names
| Name | 1,2-dihydrobenzotriazol-4-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
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| Boiling Point | 473.0±18.0 °C at 760 mmHg |
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| Melting Point | 224ºC (dec.) |
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| Molecular Formula | C6H5N3O |
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| Molecular Weight | 135.123 |
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| Flash Point | 239.9±21.2 °C |
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| Exact Mass | 135.043259 |
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| PSA | 61.80000 |
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| LogP | 1.55 |
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| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
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| Index of Refraction | 1.786 |
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| Storage condition | 2-8°C |
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Safety Information
| Hazard Codes | Xn: Harmful;Xi: Irritant; |
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| Risk Phrases | R20/21/22 |
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| Safety Phrases | 26-36 |
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| WGK Germany | 3 |
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| HS Code | 2933990090 |
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Customs
| HS Code | 2933990090 |
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| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 1H-1,2,3-Benzotriazol-4-ol |
| hydroxybenztriazole |
| hydroxybenzotriazole |
| 4-Hydroxy-1H-benzotriazole |
| p-hydroxybenzotriazole |
| 4-Hydroxybenztriazole |
| 1H-1,2,3-Benzotriazol-7-ol |
| 1H-Benzotriazol-7-ol |
| MFCD00970892 |
| 1H-Benzotriazol-4-ol |
| 4-Hydroxybenzotriazole |
