3,3'-Dichloro-4,4'-diisocyanatodiphenylmethane

4,4'-亚甲基双(2-氯苯基异氰酸酯)

Also known as: 2-chloro-4-[(3-chloro-4-isocyanatophenyl)methyl]-1-isocyanatobenzene, 4,4'-methylenebis(2-chlorophenyl isocyanate), 3,3'-dichloro-4,4'-diisocyanatodiphenylmethane, MFCD00037052, 2-chloro-4-[(3-chloro-4-isocyanato-phenyl)methyl]-1-isocyanato-benzene

3,3'-Dichloro-4,4'-diisocyanatodiphenylmethane (CAS 20513-43-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H8Cl2N2O2 and a molecular weight of 319.14200 g/mol. It is also known as 2-chloro-4-[(3-chloro-4-isocyanatophenyl)methyl]-1-isocyanatobenzene, 4,4'-methylenebis(2-chlorophenyl isocyanate) and 3,3'-dichloro-4,4'-diisocyanatodiphenylmethane. Key properties include a melting point of 103-106ºC(lit.), a boiling point of 415.5ºC at 760mmHg, a density of 1.33g/cm3 and a flash point of 148.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20513-43-3

Jingsj CID

J-6877-8

Molecular Formula

C₁₅H₈Cl₂N₂O₂

Chinese Name

4,4'-亚甲基双(2-氯苯基异氰酸酯)

Molecular Weight

319.14200 g/mol

Category

Organic Acids

Last updated

8/21/2026