| Identification | Back Directory | [Name]
4,4'-DIISOCYANATO-3,3'-DIMETHYLDIPHENYLMETHANE | [CAS]
139-25-3 | [Synonyms]
diisocyanatodimethyldiphenylmethane
5,5’-methylenebis(2-isocyanato-toluen
5,5’-methylenebis(2-isocyanatotoluene)
BIS(4-ISOCYANATO-3-METHYLPHENYL)METHANE
BENZENE11METHYLENEBIS4ISOCYANATO3METHYL
isocyanicacid,esterwithdi-o-toluenemethane
3,3'-DIMETHYLDIPHENYLMETHANE-4,4'-DIISOCYANATE
4,4'-DIISOCYANATO-3,3'-DIMETHYLDIPHENYLMETHANE
1,1’-methylenebis[4-isocyanato-3-methyl-benzen
benzene,1,11-methylenebis(4-isocyanato-3-methyl-
4,4'-DIISOTHIOCYANATO-3,3'-DIMETHYLDIPHENYLMETHANE
4,4''-DIISOCYANATO-3,3-DIMETHYLDIPHENYLMETHANE 98+%
4,4′-Diisocyanato-3,3′-dimethyldiphenylmethane, CAS 139-25-3
1-isocyanato-4-(4-isocyanato-3-methyl-benzyl)-2-methyl-benzene
1-isocyanato-4-[(4-isocyanato-3-methylphenyl)methyl]-2-methylbenzene
1-isocyanato-4-[(4-isocyanato-3-methyl-phenyl)methyl]-2-methyl-benzene
Bis(4-isocyanato-3-methylphenyl)methane
3,3'-Dimethyldiphenylmethane-4,4'-diisocyanate | [Molecular Formula]
C17H14N2O2 | [MDL Number]
MFCD00019910 | [MOL File]
139-25-3.mol | [Molecular Weight]
278.31 |
| Hazard Information | Back Directory | [Reactivity Profile]
Isocyanates and thioisocyanates, such as 4,4'-DIISOCYANATO-3,3'-DIMETHYLDIPHENYLMETHANE, are incompatible with many classes of compounds, reacting exothermically to release toxic gases. Reactions with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizers, hydrides, phenols, and peroxides can cause vigorous releases of heat. Acids and bases initiate polymerization reactions in these materials. Some isocyanates react with water to form amines and liberate carbon dioxide. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. Such reactions in the absence of solvents often occur with explosive violence, [Wischmeyer(1969)]. | [Uses]
4,?4''-?Diisocyanato-?3,?3''-?dimethyldiphenylmeth?ane is a reagent used in the synthesis of polyurethane materials.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list. |
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Energy Chemical
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Carbosynth
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A.J Chemicals
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Leancare Ltd.
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