Agent Name

5-Nitrobenzimidazole

CAS Number

94-52-0

Formula

C7-H5-N3-O2

Major Category

Nitrogen Compounds

Synonyms

1H-Benzimidazole, 5-nitro-; 5(6)-Nitrobenzimidazole; 5-Nitro-1H-benzimidazole; 6-Nitro-benzimidazole; Benzimidazole, 5-nitro-; Benzimidazole, 6-nitro-; 1H-Benzimidazole, 6-nitro-; 6-Nitrobenzimidazole; [ChemIDplus]

Category

Imidazoles

Description

Off-white to pale yellow solid; [CAMEO] Tan powder; [MSDSonline]

Sources/Uses

Used in photographic developers (antifogging agent); [Hawley]

Comments

Oral LD50 (mouse) = 125-150 mg/kg. In chronic feeding studies, not carcinogenic in rats, but caused liver cancer in mice; [HSDB] May cause irritation; [CAMEO] An irritant; [MSDSonline]

Exposure Assessment
Vapor Pressure

1.73E-7 mm Hg

Links to Other NLM Databases
Health Studies

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Processes

Industrial Processes with risk of exposure: