*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UD1205000 CHEMICAL NAME : 2-Propenenitrile, 3-(3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)-2-(met hylsulfonyl)- CAS REGISTRY NUMBER : 83677-23-0 LAST UPDATED : 199609 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H25-N-O3-S MOLECULAR WEIGHT : 335.50 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-(3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenyl)-2-(methylsulfonyl)-2-prop enenitrile * beta-(Methylsulfonyl)-beta-cyano-3,5-di-tert.butyl-4-hydroxystyrene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EPXXDW European Patent Application. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #0057881 *** END OF RECORD ***