*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UU2509500 CHEMICAL NAME : Pyridinium, 1,1'-(4,4'-biphenylylenebis(2-oxoethylene))bis(2,3-di methyl-, dibromide CAS REGISTRY NUMBER : 19035-83-7 LAST UPDATED : 198906 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C30-H30-N2-O2.2Br MOLECULAR WEIGHT : 610.44 SYNONYMS/TRADE NAMES : * 1,1'-(4,4'-Biphenylylenebis(2-oxoethylene))bis(2,3-dimethylpyridinium 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 : 880 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 ***