*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TR8058000
CHEMICAL NAME           : Polyurethane Y-299
CAS REGISTRY NUMBER     : 25748-74-7
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : (C8-H12-N2-O2.C4-H10-O2)x
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * 1,4-Butanediol, polymer with 1,6-diisocyanatohexane
   * Duranate exp-D 101
   * Isocyanic acid, hexamethylene ester, polymer with 1,4-butanediol
   * Y 299
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 6000 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   35,1591,1975
 
                            *** END OF RECORD ***