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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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METHYLENE BISPHENYL ISOCYANATE
METHYLENE BISPHENYL ISOCYANATE
CAS number: 101-68-8
Synonyms: Diphenylmethane-4,4’-diisocyanate; MDI; 4,4’-Methylenediphenyl diisocyanate
Molecular formula: C10H10N2O2
TLV–TWA, 0.005 ppm (0.051 mg/m3)
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