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Reference substances

Reference substances

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Reference substance information

4,4'-methylenediphenyldiisocyanate and 2,4'-diisocyanatodiphenylmethane and their oligomerisation reaction products with 2,2'-oxydiethanol, propane-1,2-diol and butane-1,3-diol

Molecular and structural information

Molecular formula:
C15H10N2O2.(C15H12N2O2.R).n.NCO with R = C3H6O2, C4H8O2, C4H8O3 and n= 0, 1 or for higher concentration ranges of diols, n > 2 with accordingly resulting oligomeric molecule units
Molecular weight:
>= 606 - <= 1 302
Structural formula:
Chemical structure