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39968-33-7

39968-33-7 structure
39968-33-7 structure

Name 1-Hydroxy-7-azabenzotriazole
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
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.
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
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%