*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UY5745315 CHEMICAL NAME : 2-Pyrrolidinone, 3-((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methyl ene)-1-methoxy- CAS REGISTRY NUMBER : 107746-52-1 LAST UPDATED : 199703 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C20-H29-N-O3 MOLECULAR WEIGHT : 331.50 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-((3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenyl)methylene)-1-methoxy-2-py rrolidinone * E 5110 * N-Methoxy-3-(3,5-di-tert-butyl-4-hydroxybenzylidene)-2-pyrrolidone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 161 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4833160 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 47 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4833160 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Parenteral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 291 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4833160 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4833160 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 805 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4833160 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Parenteral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4833160 *** END OF RECORD ***