1-Hydroxy-7-azabenzotriazole

Modify Date: 2024-01-02 09:17:34

1-Hydroxy-7-azabenzotriazole Structure
1-Hydroxy-7-azabenzotriazole structure
Common Name 1-Hydroxy-7-azabenzotriazole
CAS Number 39968-33-7 Molecular Weight 136.111
Density 1.7±0.1 g/cm3 Boiling Point 376.8±34.0 °C at 760 mmHg
Molecular Formula C5H4N4O Melting Point 213-216°C
MSDS N/A Flash Point 181.7±25.7 °C

 Names

Name 1-Hydroxy-7-azabenzotriazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 376.8±34.0 °C at 760 mmHg
Melting Point 213-216°C
Molecular Formula C5H4N4O
Molecular Weight 136.111
Flash Point 181.7±25.7 °C
Exact Mass 136.038513
PSA 63.83000
LogP -0.68
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.836
Storage condition Store at RT.

 Safety Information

Hazard Codes F:Flammable
Risk Phrases R11;R36/37/38;R5
Safety Phrases S53-S45-S37/39-S26-S16-S39-S35
RIDADR UN 1993 3/PG 3
WGK Germany 1
Hazard Class 3.0
HS Code 2933990090

 Customs

HS Code 2933990090
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%

 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
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