*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EJ7395000
CHEMICAL NAME           : 1,4-Butanediamine, 2-methyl-, polymer with
                          alpha-hydro-omega-hydroxypoly(oxy-1,4- butanediyl)
                          and 1,1'-methylenebis(4-isocyanatocyclohexane)
CAS REGISTRY NUMBER     : 56779-19-2
LAST UPDATED            : 199310
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : (C15-H22-N2-O2.C7-H10-N2.(C4-H8-O)n-H2-O)x
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Polyurethane Y-225
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 6750 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 ***