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EC number: 219-799-4
CAS number: 2536-05-2
All MDI isomers and forms are highly unstable in dimethylsulhpoxide solvent, water content of the DMSO increasing breakdown. The corresponding diamine is identified as one of the breakdown products. MDI is more stable in ethyleneglycoldimethylether as solvent .
Read-across is performed from benzene, 1,1'- methylenebis[4-isocyanato-
(101 -68 -8).
Stability in organic solvents and identity of relevant degradation
products is not required as the stability of the substance is not
considered to be critical. It is well known that Isocyanates react
rapidly with protic solvents like alcohols, whereas a higher stability
in nonprotic solvents is expected.
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