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Benzimidazole Structure

Benzimidazole

Chemical Properties

Melting point 169-171 °C (lit.)
Boiling point 360 °C
Density  1.1151 (rough estimate)
refractive index  1.5500 (estimate)
Flash point 360°C
storage temp.  Store below +30°C.
solubility  xylene: soluble1g in 2g (boiling)(lit.)
form  Crystalline Powder or Crystals
pka 5.532(at 25℃)
color  Beige to brown
Water Solubility  sparingly soluble
λmax 271nm(MeOH)(lit.)
Merck  14,1081
BRN  109682
Stability Stable. Combustible. Incompatible with strong oxidising agents.
InChIKey HYZJCKYKOHLVJF-UHFFFAOYSA-N
LogP 1.320
CAS DataBase Reference 51-17-2(CAS DataBase Reference)
NIST Chemistry Reference 1H-Benzimidazole(51-17-2)
EPA Substance Registry System Benzimidazole (51-17-2)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  37/39-26-24/25
WGK Germany  3
RTECS  DD5425000
Hazard Note  Irritant
TSCA  Yes
HS Code  29339990
Hazardous Substances Data 51-17-2(Hazardous Substances Data)
Toxicity LD50 oral in mouse: 2910mg/kg

MSDS

Usage And Synthesis

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