1-Hydroxy-7-azabenzotriazole
1-羟基-7-偶氮苯并三氮唑
Also known as: HOAt, 3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol, 3H-1,2,3-Triazolo[4,5-b]pyridin-3-ol, 7-Aza-1-hydroxybenzotriazole, N-Hydroxy-7-azabenzotriazole, N-Hydroxy-7-azobenzotriazole, 3-hydroxytriazolo[4,5-b]pyridine, MFCD00210053
- CAS No.
- 39968-33-7
- Jingsj CID
- J-30577-2
- Molecular Formula
- C5H4N4O
- Chinese Name
- 1-羟基-7-偶氮苯并三氮唑
- Molecular Weight
- 136.111 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 213-216°C |
|---|---|
| Boiling Point | 376.8±34.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 181.7±25.7 °C |
Frequently Asked Questions
What is the CAS number of 1-Hydroxy-7-azabenzotriazole?
39968-33-7
What are the molecular formula and molecular weight of 1-Hydroxy-7-azabenzotriazole?
C5H4N4O, molecular weight 136.111 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026