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

1-(4-甲氧基苯基)-1H-吡咯-2,5-二酮

Also known as: 1H-Pyrrole-2,5-dione, 1-(4-methoxyphenyl)-, N-(4-Methoxyphenyl)maleimide, N-(p-Methoxyphenyl)maleimide, 1-(4-Methoxy-phenyl)-pyrrole-2,5-dione, 1-(4-methoxyphenyl)-3-pyrroline-2,5-quinone, AKOS B006719, AKOS MSC-0018, TIMTEC-BB SBB000419

1-(4-Methoxyphenyl)-1H-pyrrole-2,5-dione (CAS 1081-17-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H9NO3 and a molecular weight of 203.19400 g/mol. It is also known as 1H-Pyrrole-2,5-dione, 1-(4-methoxyphenyl)-, N-(4-Methoxyphenyl)maleimide and N-(p-Methoxyphenyl)maleimide. Key properties include a boiling point of 361.2ºC at 760 mmHg, a density of 1.317g/cm3 and a flash point of 172.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1081-17-0
Jingsj CID: J-28628-6
Molecular Formula: C₁₁H₉NO₃
Chinese Name: 1-(4-甲氧基苯基)-1H-吡咯-2,5-二酮
Molecular Weight: 203.19400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	361.2ºC at 760 mmHg
Density	1.317g/cm3
Flash Point	172.3ºC

Frequently Asked Questions

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

The CAS number of 1-(4-Methoxyphenyl)-1H-pyrrole-2,5-dione is 1081-17-0.

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

1-(4-Methoxyphenyl)-1H-pyrrole-2,5-dione has molecular formula C11H9NO3 and molecular weight 203.19400 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-(4-Methoxyphenyl)-1H-pyrrole-2,5-dione (CAS 1081-17-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28628-6 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.