*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DD5775000 CHEMICAL NAME : Benzimidazole, 2-amino- CAS REGISTRY NUMBER : 934-32-7 BEILSTEIN REFERENCE NO. : 0116525 REFERENCE : 5-25-10-00372 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 9 MOLECULAR FORMULA : C7-H7-N3 MOLECULAR WEIGHT : 133.17 WISWESSER LINE NOTATION : T56 BM DNJ CZ COMPOUND DESCRIPTOR : Agricultural Chemical Drug Mutagen Reproductive Effector SYNONYMS/TRADE NAMES : * 2-Aminobenzimidazole * USAF EK-4037 *** 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 : LD40 - Lethal Dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JACSAT Journal of the American Chemical Society. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1879- Volume(issue)/page/year: 67,905,1945 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 126 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 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 426 mg/kg SEX/DURATION : female 8-15 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetal death REFERENCE : THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 31,505,1976 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 100 ug/plate REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 15,273,1972 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 710 umol/L REFERENCE : ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 3,11,1981 TYPE OF TEST : DNA repair TEST SYSTEM : Bacteria - Escherichia coli DOSE/DURATION : 2 mg/disc REFERENCE : JPFCD2 Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.B11- 1976- Volume(issue)/page/year: 21,319,1986 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***