*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EM4950000
CHEMICAL NAME           : 2-Butene, 1,4-difluoro-
CAS REGISTRY NUMBER     : 407-81-8
LAST UPDATED            : 199107
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C4-H6-F2
MOLECULAR WEIGHT        : 92.10
WISWESSER LINE NOTATION : F2U2F
SYNONYMS/TRADE NAMES :
   * 1,4-Difluoro-2-butene
 
                       *** 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           : 6100 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JACSAT Journal of the American Chemical Society.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC
   20037)  V.1-    1879-  Volume(issue)/page/year: 79,2311,1957
 
                            *** END OF RECORD ***