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HomeProduct name list2-Hydroxybenzimidazole

2-Hydroxybenzimidazole

Synonym(s):2(1H)-Benzimidazolone;2-Hydroxy-benzimidazol

  • CAS NO.:615-16-7
  • Empirical Formula: C7H6N2O
  • Molecular Weight: 134.14
  • MDL number: MFCD00127894
  • EINECS: 210-412-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-31 13:32:20
2-Hydroxybenzimidazole Structural

What is 2-Hydroxybenzimidazole?

Chemical properties

off-white to pale brown crystalline powder

The Uses of 2-Hydroxybenzimidazole

2-Hydroxybenzimidazole (Lansoprazole EP Impurity D(Rabeprazole EP Impurity K)) is a metabolite of the neuroleptic Droperidol (D679500).

The Uses of 2-Hydroxybenzimidazole

A metabolite of the neuroleptic Droperidol (D679500).

Synthesis Reference(s)

The Journal of Organic Chemistry, 33, p. 2543, 1968 DOI: 10.1021/jo01270a093
Synthesis, p. 322, 1991 DOI: 10.1055/s-1991-26457
Tetrahedron Letters, 22, p. 2431, 1981 DOI: 10.1016/S0040-4039(01)92925-9

Safety Profile

Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic vapors of NOx.

Properties of 2-Hydroxybenzimidazole

Melting point: >300 °C (lit.)
Boiling point: 247.23°C (rough estimate)
Density  1.2296 (rough estimate)
refractive index  1.5880 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  0.543g/l
pka 11.95±0.10(Predicted)
form  Crystalline Powder
color  Off-white to pale brown
Water Solubility  insoluble
BRN  119866
CAS DataBase Reference 615-16-7(CAS DataBase Reference)
NIST Chemistry Reference 2H-Benzimidazol-2-one, 1,3-dihydro-(615-16-7)
EPA Substance Registry System 2H-Benzimidazol-2-one, 1,3-dihydro- (615-16-7)

Safety information for 2-Hydroxybenzimidazole

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral

Computed Descriptors for 2-Hydroxybenzimidazole

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