*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : DD5425000
CHEMICAL NAME : Benzimidazole
CAS REGISTRY NUMBER : 51-17-2
BEILSTEIN REFERENCE NO. : 0109682
REFERENCE : 5-23-06-00196 (Beilstein Handbook Reference)
LAST UPDATED : 199701
DATA ITEMS CITED : 11
MOLECULAR FORMULA : C7-H6-N2
MOLECULAR WEIGHT : 118.15
WISWESSER LINE NOTATION : T56 BM DNJ
COMPOUND DESCRIPTOR : Agricultural Chemical
Mutagen
SYNONYMS/TRADE NAMES :
* 3-Azaindole
* Azindole
* Benziminazole
* 1H-Benzimidazole
* o-Benzimidazole
* 1,3-Benzodiazole
* Benzoglyoxaline
* Benzoimidazole
* BZI
* 1,3-Diazaindene
* N,N'-Methenyl-o-phenylenediamine
* NSC 759
*** 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
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council,
Chemical-Biological Coordination Center, Review. (Washington, DC)
Volume(issue)/page/year: 5,22,1953
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)
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 95,123,1953
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
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 105,486,1952
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
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation
of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1-
1967- Volume(issue)/page/year: 14,130,1980
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
REFERENCE :
29QHAQ "Principles of Medicinal Chemistry," Foye, W.O., et al., eds.,
Philadelphia, Lea & Febiger, 1974 Volume(issue)/page/year: -,246,1974
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 250 ug/plate
REFERENCE :
CHIMAD Chimia. (Postfach 2027, CH-4001 Basel, Switzerland) V.1- 1947-
Volume(issue)/page/year: 27,68,1973
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 1 mg/disc
REFERENCE :
APMBAY Applied Microbiology. (Washington, DC) V.1-30, 1953-75. For
publisher information, see AEMIDF. Volume(issue)/page/year: 6,23,1958
TYPE OF TEST : DNA damage
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 15 mmol/L/48H
REFERENCE :
ANBCA2 Analytical Biochemistry. (Academic Press, Inc., 1 E. First St.,
Duluth, MN 55802) V.1- 1960- Volume(issue)/page/year: 75,45,1976
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
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
*** END OF RECORD ***