1-(4-Methylphenyl)-1H-pyrrole-2,5-dione

1-(4-甲基苯基)-1H-吡咯-2,5-二酮

Also known as: p-Tolylmaleimide, 1-(p-Tolyl)-1H-pyrrole-2,5-dione, N-(p-Tolyl)maleimide, N-(4-Methylphenyl)maleimide, N-4-Tolylmaleimide, IT 510, Maleimide, N-p-Tolyl-, n-p-tolyl-maleimid

CAS No.: 1631-28-3
Jingsj CID: J-20686-2
Molecular Formula: C₁₁H₉NO₂
Chinese Name: 1-(4-甲基苯基)-1H-吡咯-2,5-二酮
Molecular Weight: 187.19500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	333.2ºC at 760mmHg
Density	1.277g/cm3
Flash Point	154.2ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Methylphenyl)-1H-pyrrole-2,5-dione?

1631-28-3

What are the molecular formula and molecular weight of 1-(4-Methylphenyl)-1H-pyrrole-2,5-dione?

C11H9NO2, molecular weight 187.19500 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026