*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TN4435800 CHEMICAL NAME : Piperidinium, 1,1'-(4,4'-biphenylylenebis(carbonylmethylene))bis(4- hydroxy-1-methyl-, dibromide CAS REGISTRY NUMBER : 20275-20-1 LAST UPDATED : 198906 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C28-H38-N2-O4.2Br MOLECULAR WEIGHT : 626.50 SYNONYMS/TRADE NAMES : * 1,1'-(4,4'-Biphenylylenebis(carbonylmethylene))bis(4-hydroxy-1-methylpip eridinium bromide) *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 8400 ug/kg TOXIC EFFECTS : Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase REFERENCE : JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 57,172,1968 *** END OF RECORD ***