*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EK4550000 CHEMICAL NAME : Butane, methylazoxy- CAS REGISTRY NUMBER : 11069-34-4 LAST UPDATED : 199109 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C5-H12-N2-O MOLECULAR WEIGHT : 116.19 WISWESSER LINE NOTATION : ON4&UN1 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * Methyl-azoxy-butane *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 285 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 23HZAR "Carcinoma of the Colon and Antecedent Epithelium," Burdette, W.J., ed., Springfield, IL C.C. Thomas, 1970 Volume(issue)/page/year: -,267,1970 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2130 mg/kg/71W-I TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Skin and Appendages - tumors REFERENCE : PPTCBY Proceedings of the International Symposium of the Princess Takamatsu Cancer Research Fund. (Japan Scientific Soc. Press, 6-2-10 Hongo, Bunkyo-ku, Tokyo 113, Japan) 1st- 1971- Volume(issue)/page/year: 2,73,1972 *** END OF RECORD ***