4-Maleimidophenyl isocyanate

4-马来酰亚胺基苯基异氰酸酯

Also known as: PMPI, p-Maleimidophenyl isocyanate, 1-(4-Isocyanatophenyl)-1H-pyrrole-2,5-dione, 1-(4-Isocyanatophenyl)pyrrole-2,5-dione, Isocyanic acid 4-maleimidophenyl ester

4-Maleimidophenyl isocyanate (CAS 123457-83-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H6N2O3 and a molecular weight of 214.177 g/mol. It is also known as PMPI, p-Maleimidophenyl isocyanate and 1-(4-Isocyanatophenyl)-1H-pyrrole-2,5-dione. Key properties include a melting point of 120-125ºC, a boiling point of 375.4±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 180.8±23.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

123457-83-0

Jingsj CID

J-1002348-8

Molecular Formula

C₁₁H₆N₂O₃

Chinese Name

4-马来酰亚胺基苯基异氰酸酯

Molecular Weight

214.177 g/mol

Category

Organic Acids

Last updated

8/21/2026