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1-Hydroxy-7-Azabenzotriazole

1-Hydroxy-7-Azabenzotriazole / CAS : 39968-33-7

Appearance Yellow crystalline powder UN 1993
HS 29339900 DG Class 3
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
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Properties

Summary

Formula
C5H4N4O
Molecular Mass
136.11100
Exact Mass
136.03900
PSA
63.83000
Logp
0.06360
IUPAC
3-hydroxytriazolo[4,5-b]pyridine
SMILES
C1=CC2=C(N=C1)N(N=N2)O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent

Chemical and Physical Properties

Melting Point
213-216°C
Density
0.973 g/mL 
Boiling Point
250.36°C
Flash Point
213-216°C
Appearance
Yellow crystalline powder

Export information

HS Code
29339900
Export Rebate
13%
UN No.
1993
DG-Class
3
Risk Code
R61-20/21-36-5-36/37/38-11-41-37/38-22-2-36/37
Safety Label
T,Xi,F,Xn,E

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