*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TR8010000
CHEMICAL NAME           : Polyurethane Y-218
CAS REGISTRY NUMBER     : 26375-23-5
LAST UPDATED            : 199701
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : (C15-H10-N2-O2.C6-H10-O4.C4-H10-O2)x
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Adipic acid, polymer with 1,4-butanediol and methylenedi-p-phenylene  
   isocyanate
   * Hexanedioic acid, polymer with 1,4-butanediol and  
   1,1'-methylenebis(4-isocyanatobenzene)
   * Pandex
   * Texin 445D
   * TPU 12K
   * TPU 10M
   * Y 218
 
                       *** 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

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - E0492
       No. of Facilities: 148 (estimated)
       No. of Industries: 4
       No. of Occupations: 11
       No. of Employees: 6214 (estimated)
       No. of Female Employees: 1301 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***