*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EM8990000 CHEMICAL NAME : 2-Butene, 1,1,2,3,4-pentachloro- CAS REGISTRY NUMBER : 77753-23-2 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H3-Cl5 MOLECULAR WEIGHT : 228.32 WISWESSER LINE NOTATION : GYGUYGYG1G SYNONYMS/TRADE NAMES : * 1,1,2,3,4-Pentachlorobutene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 472 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(1),92,1981 *** END OF RECORD ***