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273-21-2

Name 4-Azabenzimidazole
CAS 273-21-2
EINECS(EC#) 205-987-3
Molecular Formula C6H5N3
MDL Number MFCD00005579
Molecular Weight 119.12
MOL File 273-21-2.mol
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Chemical Properties

Appearance yellow to light brown powder
Melting point  148-151 °C (lit.)
Boiling point  140-150°C/0.1mm
density  1.2058 (rough estimate)
refractive index  1.5589 (estimate)
Fp  140-150°C/0.1mm
storage temp.  Inert atmosphere,Room Temperature
solubility  Soluble in dimethylformamide.
pka 8.46±0.20(Predicted)
BRN  2600
CAS DataBase Reference 273-21-2(CAS DataBase Reference)
EPA Substance Registry System 273-21-2(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
RTECS  NJ5108000

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