Product Name: 1,4-Butanediol, polymer with 1,4-diisocyanato-2-methylbenzene and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) (9CI)
Registry Number: 56631-46-0
Other Names: Benzene, 1,4-diisocyanato-2-methyl-, polymer with 1,4-butanediol and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) (9CI) ; Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,4-butanediol and 1,4-diisocyanato-2-methylbenzene (9CI) ; Y 227
Molecular Formula: (C9H6N2O2 . C4H10O2 . (C4H8O)n H2O)x
IARC Cancer Review: Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 19 ,1979,p. 303.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) .
Confirmed carcinogen with experimental tumorigenic data. When heated to decomposition it emits very toxic fumes of CN− and NOx.
1,4-Butanediol, polymer with 1,4-diisocyanato-2-methylbenzene and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) (9CI) (CAS NO.56631-46-0) is a mixed chemsitry material.
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