*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UM0915000 CHEMICAL NAME : Pseudourea, 2,2'-(2-butynylene)dithiodi-, dihydrochloride CAS REGISTRY NUMBER : 63680-28-4 LAST UPDATED : 199012 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H10-N4-S2.2Cl-H MOLECULAR WEIGHT : 275.24 WISWESSER LINE NOTATION : MUYZS2UU2SYZUM &GH 2 SYNONYMS/TRADE NAMES : * 2,2'-(2-Butynylene)bis(2-thiopseudourea), dihydrochloride * Pseudourea, 2,2'-(2-butynylene)bis(2-thio-, dihydrochloride *** 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 : 100 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: AD691-490 *** END OF RECORD ***