*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EK7713946 CHEMICAL NAME : Butanoic acid, 2-((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methyl ene)-4-hydroxy-, methyl ester CAS REGISTRY NUMBER : 83677-20-7 LAST UPDATED : 199609 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H30-O4 MOLECULAR WEIGHT : 334.50 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * beta-Methoxycarbonyl-beta-(2-hydroxyethyl)-3,5-di-tert-butyl-4-hydroxyst yrene *** 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 : >1 gm/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 ***