*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GO6835000 CHEMICAL NAME : o-Cresol, 4-(p-aminophenylazo)-6-methyl- CAS REGISTRY NUMBER : 21554-20-1 BEILSTEIN REFERENCE NO. : 0656524 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C14-H15-N3-O MOLECULAR WEIGHT : 241.32 WISWESSER LINE NOTATION : ZR DNUNR DQ C1 E1 COMPOUND DESCRIPTOR : Agricultural Chemical Tumorigen SYNONYMS/TRADE NAMES : * 4-Amino-3',5'-dimethyl-4'-hydroxyazobenzene * Azobenzene, 4-amino-3',5'-dimethyl-4'-hydroxy- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 350 mg/kg TOXIC EFFECTS : Behavioral - sleep REFERENCE : AABIAV Annals of Applied Biology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1914- Volume(issue)/page/year: 52,33,1963 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 40 gm/kg/2Y-C TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumor types after systemic administration not seen spontaneously REFERENCE : AABIAV Annals of Applied Biology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1914- Volume(issue)/page/year: 52,33,1963 *** END OF RECORD ***