*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UM3675000 CHEMICAL NAME : Pseudourea, 2-(2,5-dihydroxyphenyl)-2-thio-, monohydrochloride CAS REGISTRY NUMBER : 6274-93-7 LAST UPDATED : 199012 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C7-H8-N2-O2-S.Cl-H MOLECULAR WEIGHT : 220.69 WISWESSER LINE NOTATION : QR DQ CSYZUM &GH SYNONYMS/TRADE NAMES : * 2-(2,5-Dihydroxyphenyl)-2-thiopseudourea monohydrochloride * USAF PD-17 *** 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 ***