3,3'-Dichloro-4,4'-diisocyanatobiphenyl

3,3'-二氯-4,4'-二异氰酸酯联苯

Also known as: 1,1'-Biphenyl, 3,3'-dichloro-4,4'-diisocyanato-, 3,3'-Dichlorobiphenyl-4,4'-diyl diisocyanate, 2-chloro-4-(3-chloro-4-isocyanatophenyl)-1-isocyanatobenzene, Dichlorodiphenyldiisocyanate, 3,3'-Dichloro-4,4'-diisocyanato-1,1'-biphenyl

3,3'-Dichloro-4,4'-diisocyanatobiphenyl (CAS 5331-87-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H6Cl2N2O2 and a molecular weight of 305.11600 g/mol. It is also known as 1,1'-Biphenyl, 3,3'-dichloro-4,4'-diisocyanato-, 3,3'-Dichlorobiphenyl-4,4'-diyl diisocyanate and 2-chloro-4-(3-chloro-4-isocyanatophenyl)-1-isocyanatobenzene. Key properties include a melting point of 168ºC, a boiling point of 407.3ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 150.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5331-87-3

Jingsj CID

J-7489-8

Molecular Formula

C₁₄H₆Cl₂N₂O₂

Chinese Name

3,3'-二氯-4,4'-二异氰酸酯联苯

Molecular Weight

305.11600 g/mol

Category

Organic Acids

Last updated

8/21/2026