*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UN1350000 CHEMICAL NAME : Pseudourea, 2,2'-sulfonylbis(p-phenylenemethylene)bis(2-thio-, dihydrochloride CAS REGISTRY NUMBER : 64039-20-9 LAST UPDATED : 198605 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H18-N4-O2-S3.2Cl-H MOLECULAR WEIGHT : 467.48 WISWESSER LINE NOTATION : MUYZS1R DSWR D1SYZUM &GH 2 SYNONYMS/TRADE NAMES : * Bis(p,p'-(isothioureidomethyl)phenyl)sulfone dihydrochloride * USAF EL-4 *** 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 : 50 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 *** END OF RECORD ***