*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EM4295000 CHEMICAL NAME : 2-Butene, 2-chloro-1,1,1,4,4,4-hexafluoro- CAS REGISTRY NUMBER : 400-44-2 LAST UPDATED : 199710 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C4-H-Cl-F6 MOLECULAR WEIGHT : 198.50 WISWESSER LINE NOTATION : FXFFYGU1XFFF COMPOUND DESCRIPTOR : Human SYNONYMS/TRADE NAMES : * CHFB * 2-Chloro-1,1,1,4,4,4-hexafluorobutene-2 * 1,1,1,4,4,4-Hexafluoro-2-chloro-2-butene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Human DOSE/DURATION : 10 ppm/1H TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Lungs, Thorax, or Respiration - respiratory stimulation REFERENCE : CENEAR Chemical & Engineering News. (American Chemical Soc., Distribution Office Dept. 223, POB 5713 POB 57136, West End Stn., Washington, DC 20037) V.20- 1942- Volume(issue)/page/year: 44,6,1966 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3 ppm/6H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,310,1969 *** STATUS IN U.S. *** EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***