Introduction：Basic information about CAS 39968-33-7|1-Hydroxy-7-azabenzotriazole, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1-Hydroxy-7-azabenzotriazole |
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| CAS Number | 39968-33-7 | Molecular Weight | 136.111 |
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| Density | 1.7±0.1 g/cm3 | Boiling Point | 376.8±34.0 °C at 760 mmHg |
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| Molecular Formula | C5H4N4O | Melting Point | 213-216°C |
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| MSDS | / | Flash Point | 181.7±25.7 °C |
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Names
| Name | 1-Hydroxy-7-azabenzotriazole |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.7±0.1 g/cm3 |
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| Boiling Point | 376.8±34.0 °C at 760 mmHg |
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| Melting Point | 213-216°C |
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| Molecular Formula | C5H4N4O |
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| Molecular Weight | 136.111 |
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| Flash Point | 181.7±25.7 °C |
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| Exact Mass | 136.038513 |
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| PSA | 63.83000 |
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| LogP | -0.68 |
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| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
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| Index of Refraction | 1.836 |
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| InChIKey | FPIRBHDGWMWJEP-UHFFFAOYSA-N |
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| SMILES | On1nnc2cccnc21 |
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| Storage condition | Store at RT. |
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Safety Information
| Hazard Codes | F:Flammable |
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| Risk Phrases | R11;R36/37/38;R5 |
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| Safety Phrases | S53-S45-S37/39-S26-S16-S39-S35 |
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| RIDADR | UN 1993 3/PG 3 |
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| WGK Germany | 1 |
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| Hazard Class | 3.0 |
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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
| 1-Hydroxy-7-Azabenzotriazole |
| 3H-1,2,3-Triazolo[4,5-b]pyridin-3-ol |
| 3H-[1,2,3]-Triazolo[4,5-b]pyridin-3-ol |
| 3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol |
| 3-hydroxytriazolo[4,5-b]pyridine |
| HOAt |
| MFCD00210053 |
| 7-Aza-1-hydroxybenzotriazole |
