1,4-Butanediol, polymer with
1,4-diisocyanato-2-methylbenzene and
alpha-hydro-omega-hydroxy poly(oxy-1,4-butanediyl)
CAS  
:
56631-46-0
SYNONYMS  
:
* Polyurethane Y-227
* Y 227
*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : EK2480000
CHEMICAL NAME : 1,4-Butanediol, polymer with
1,4-diisocyanato-2-methylbenzene and
alpha-hydro-omega-hydroxy poly(oxy-1,4-butanediyl)
CAS REGISTRY NUMBER : 56631-46-0
LAST UPDATED : 199310
DATA ITEMS CITED : 1
MOLECULAR FORMULA : (C9-H6-N2-O2.C4-H10-O2.(C4-H8-O)n-H2-O)x
COMPOUND DESCRIPTOR : Tumorigen
SYNONYMS/TRADE NAMES :
* Polyurethane Y-227
* Y 227
*** 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 ***
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