*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CZ5658000
CHEMICAL NAME           : Benzene, p-difluoro-
CAS REGISTRY NUMBER     : 540-36-3
LAST UPDATED            : 199709
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C6-H4-F2
MOLECULAR WEIGHT        : 114.10
WISWESSER LINE NOTATION : FR DF
SYNONYMS/TRADE NAMES :
   * Benzene, 1,4-difluoro-
   * para-Difluorobenzene
   * 1,4-Difluorobenzene
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 55 gm/m3/2H
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
REFERENCE :
   IZSBAI Izvestiya Sibirskogo Otdeleniya Akademii Nauk SSSR, Seriya
   Biologomeditsinskikh Nauk. (Novosibirsk, USSR)  No.1-3, 1963-68.  For
   publisher information, see ISBNBN.  Volume(issue)/page/year: 3,91,1965
 
                            *** END OF RECORD ***