C6H5N3O
135.12 g/mol
Research ReagentDanger
1-Hydroxybenzotriazole
CAS2592-95-2EC219-989-7
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
1-Hydroxybenzotriazole is an organic compound derived from benzotriazole, commonly used as a reagent in organic synthesis. It typically appears as a white crystalline powder and may contain some water as a commercial product.
Organic synthesis reagent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Danger
H203Explosive; fire, blast or projection hazard
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 1-Hydroxybenzotriazole (CAS 2592-95-2) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-hydroxybenzotriazole
InChIKey
ASOKPJOREAFHNY-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)N=NN2O
Synonyms (55)
- HOBO
- 1,2,3-Benzotriazol-1-ol
- 1-Benzotriazolol
- 1-Hydroxy-1,2,3-benzotriazole
- 1-Hydroxy-1H-benzotriazol
- 1-Hydroxy-1H-benzotriazole
- 1-Hydroxybenzotriazole
- 1-Hydroxybenzotrizole
- 1-N-Hydroxybenzotriazole
- 1-hydoxybenzotriazole
- 1-hydroxibenzotriazol
- 1-hydroxy-1H-benztriazole
- 1-hydroxybenzothazole
- 1-hydroxybenzotriazol
- 1-hydroxybenztriazol
- 1-hydroxybenztriazole
- 1-hydroxybezotriazole
- 1-hydroxyl-1H-benzotriazole
- 1-hydroxylbenzotriazole
- 1-hyroxybenzotriazole
- 1H-1,2,3-Benzotriazol-1-ol
- 1H-BENZOTRIAZOLE, HYDROXY-
- 1H-Benzotriazol-1-ol
- 1H-Benzotriazole, 1-hydroxy-
- 1H-benzotriazole-1-ol
- 3-hydroxybenzotriazole
- AB-131/40192094
- Benzazimidol
- Benzazimidol hydrate
- HOBt
- N-Hydroxybenzotriazol
- N-Hydroxybenzotriazole
- N-Hydroxybezotriazole
- N-hydoxybenzotriazole
- N-hydroxybenztriazole
- N-hydroxyl-benzotriazole
- Sitagliptin Impurity 47
- benzotriazol-1-ol
- benzotriazole n-oxide
- benzotriazolol
- benztriazol-1-ol
- hydroxybenzotriazole (HOBt)
- l-hydroxybenzotriazole
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