Diphenylmethane diisocyanate
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Diphenylmethane diisocyanate
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CAS No:
101-68-8
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Formula:
C15H10N2O2
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Chemical Name:
Diphenylmethane diisocyanate
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Synonyms:
Benzene,1,1′-methylenebis[4-isocyanato-;Isocyanic acid,methylenedi-p-phenylene ester;1,1′-Methylenebis[4-isocyanatobenzene];Bis(4-isocyanatophenyl)methane;Diphenylmethane 4,4′-diisocyanate;Methylenebis(4-isocyanatobenzene);Bis(p-isocyanatophenyl)methane;p,p′-Methylenebis(phenyl isocyanate);4,4′-Methylenebis(phenyl isocyanate);Methylenebis(4-phenyl isocyanate);Diphenylmethylene 4,4′-diisocyanate;Methylenedi-p-phenylene diisocyanate;Methylenedi-p-phenylene isocyanate;4,4′-Methylenediphenyl diisocyanate;4,4′-Diisocyanatodiphenylmethane;Methylenebis(p-phenylene isocyanate);Methylbis(4-phenylisocyanate);4,4′-Methylenediphenylene isocyanate;Methylenebis(4-phenylene isocyanate);Methylenebis(p-phenyl isocyanate);Bis(1,4-isocyanatophenyl)methane;MDI;Methylenebis-p-phenylene diisocyanate;Methyldi-p-phenylene isocyanate;4,4′-Diphenylmethane diisocyanate;p,p′-Diphenylmethane diisocyanate;4,4′-Methylenedi-p-phenylene diisocyanate;Diisocyanatodiphenylmethane;Methylenebis(phenyl isocyanate);Diphenylmethane diisocyanate;Di(4-isocyanatophenyl)methane;4,4′-Methylenebis(isocyanatobenzene);Methylenebisphenylene diisocyanate;4,4′-MDI;Isocyanic acid,diphenylmethylene ester;Diphenylmethylene diisocyanate;4,4′-Methylenedi(phenyl isocyanate);4,4′-Bis(isocyanatophenyl)methane;Methylene diphenyl diisocyanate;NSC 9596;Diphenylmethyl diisocyanate;Methylene diisocyanate;Bis(isocyanatophenyl)methane;53633-14-0;55157-41-0;57460-66-9;77090-48-3;88001-94-9;97568-33-7;142690-07-1;153986-89-1;201528-77-0;1211266-59-9;1211316-64-1;1220313-65-4;1400594-70-8;1533423-48-1;1588489-56-8;2031250-39-0;2056146-02-0
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CAS No:
Characteristics
58.86000
3.21200
Diphenylmethane-4,4-diisocyanate is a light yellow colored solid. It is not soluble in water. It may be toxic by ingestion, inhalation, or skin absorption. If in a solution it may or may not burn depending on the nature of the material and/or the solvent. It is used to make plastics.
1.197 g/cm3 @ Temp: 70 °C
37 °C
196 °C @ Press: 5 Torr
196ºC
1.5906 (50ºC)
Decomposes in water
Refrigerator
9.02E-06mmHg at 25°C
Relative vapour density (air = 1): 8.6
Combustible Solid
Odorless
Safety Information
II
6.1
UN 2811
R20; R36/37/38; R42/43
S23-S36/37-S45
NQ9350000
Xn
Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Cool. Dry. Keep in the dark.
Stable. Combustible. Incompatible with strong oxidizing agents. Reacts violently with alcohols.
P261-P280-P284-P304 + P340 + P312-P305 + P351 + P338-P342 + P311
H315-H317-H319-H332-H334-H335-H351-H373
Diphenylmethane diisocyanate Use and Manufacturing
Diphenyl methane diisocyanate (MDI) is widely used in polyurethane coatings, this product is made of polyurethane foam used as a warm (cold), building materials, vehicle, ship parts;masterwork can made car Block, buffer, synthetic leather, non plastic polyurethane, polyurethane elastic fiber, no plastic elastic fibers, films, adhesives.
Computed Properties
Molecular Weight:250.25
XLogP3:5.4
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:4
Exact Mass:250.074227566
Monoisotopic Mass:250.074227566
Topological Polar Surface Area:58.9
Heavy Atom Count:19
Complexity:332
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Price Analysis
- Data: 2026-05-07
- Price: 19600.00Yuan/mt
- Change: 266.67
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