*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DT7320000
CHEMICAL NAME           : Bicyclo(2.2.0)hexa-2,5-diene, hexamethyl-
CAS REGISTRY NUMBER     : 7641-77-2
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C12-H18
MOLECULAR WEIGHT        : 162.30
WISWESSER LINE NOTATION : L44 BU EUTJ A1 B1 C1 D1 E1 F1
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * 2-Butin hexamethyl-dewar-benzol
   * Hexamethyl-bicyclo(2.2.0)hexa-2,5-dien
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 mg/kg/15W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
   Blood - leukemia
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   74,100,1970
 
                            *** END OF RECORD ***