Diphenylmethane diisocyanate

二苯甲烷二异氰酸酯

Also known as: 4,4'-Methylenebis(phenyl isocyanate), Methylenediphenylene diisocyanate, Methylenediphenyl 4,4'-diisocyanate, Methylene di-p-phenylene diisocyanate, Bis(4-isocyanatophenyl)methane, 1,1'-Methylenebis[isocyanatobenzene], 4,4'-Diisocyanatodiphenylmethane, Diphenylmethane-4,4'-diisocyanate, MDI (mixed isomers), Crude MDI, Generic MDI, Polymeric MDI, 4,4'-(2,4'- or 2,2'-)Diisocyanatodiphenylmethane, Mixture of 4,4'-MDI, 2,4'-MDI, and 2,2'-MDI

Diphenylmethane diisocyanate (CAS 26447-40-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H10N2O2 and a molecular weight of 250.25200 g/mol. It is also known as 4,4'-Methylenebis(phenyl isocyanate), Methylenediphenylene diisocyanate and Methylenediphenyl 4,4'-diisocyanate. Key properties include a melting point of 42-45℃, a boiling point of 373.4ºC at 760 mmHg, a density of 1.13 g/cm3 and a flash point of 154ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

26447-40-5

Jingsj CID

J-1520295-4

Molecular Formula

C₁₅H₁₀N₂O₂

Chinese Name

二苯甲烷二异氰酸酯

Molecular Weight

250.25200 g/mol

Category

Organic Acids

Last updated

8/21/2026