*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RQ7875000
CHEMICAL NAME           : 2-Oxetanone, 4-isopropylidene-3,3-dimethyl-
CAS REGISTRY NUMBER     : 3173-79-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C8-H12-O2
MOLECULAR WEIGHT        : 140.20
WISWESSER LINE NOTATION : T4VOY DHJ CUY1&1 D1 D1
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Dimethylketene dimer
   * 3-Hydroxy-2,2,4-trimethyl-3-pentenoic acid, beta-lactone
   * 4-Isopropylidene-3,3-dimethyl-2-oxetanone
   * 2-Oxetanone, 3,3-dimethyl-4-(1-methylethylidene)-
   * 3-Pentenoic acid, 3-hydroxy-2,2,4-trimethyl-, beta-lactone
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 39 gm/kg/78W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   39,1213,1967
 
                            *** END OF RECORD ***