51-17-2|BenzimidazoleProducts Supply - Chemical intermediates Network

Benzimidazole cas no:51-17-2

Synonyms: Benzimidazole(6CI,8CI);1,3-Benzodiazole;1,3-Diazaindene;3-Azaindole;Azindole;BZI;N,N'-Methenyl-o-phenylenediamine;NSC 759;1H-Benzimidazole;

Identification

NameBenzimidazole
CAS51-17-2
SynonymsBenzimidazole(6CI,8CI);1,3-Benzodiazole;1,3-Diazaindene;3-Azaindole;Azindole;BZI;N,N'-Methenyl-o-phenylenediamine;NSC 759;1H-Benzimidazole;
EINECS(EC#)200-081-4
Molecular FormulaC₇H₆N₂
Molecular Weight118.14

Chemical Properties

AppearanceWhite crystal
storage tempStore in a cool, dry place. Keep container closed when not in use.

Safety Data

Hazard Xi:Irritant
Risk R36/37/38
HS Code 29339990

Toxicity

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DD5425000

CHEMICAL NAME :: Benzimidazole

CAS REGISTRY NUMBER :: 51-17-2

BEILSTEIN REFERENCE NO. :: 0109682

LAST UPDATED :: 199701

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C7-H6-N2

MOLECULAR WEIGHT :: 118.15

WISWESSER LINE NOTATION :: T56 BM DNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 385 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage)

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2910 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 445 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 280 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Phage inhibition capacity

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 1 gm/L

REFERENCE :: ZAPOAK Zeitschrift fuer Allgemeine Mikrobiologie. (Akademie-Verlag GmbH, Postfach 1233, Berlin DDR-1086 Ger. Dem. Rep.) V.1- 1960- Volume(issue)/page/year: 12,583,1972 *** REVIEWS *** TOXICOLOGY REVIEW MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 32,151,1975

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