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

Also known as: N-(o-Tolyl)maleimide, N-(2-Methylphenyl)maleimide, 1-o-Tolyl-pyrrole-2,5-dione, N-(o-Methylphenyl)maleimide, N-2-Tolylmaleimide, MALEIMIDE, N-o-TOLYL-, 1-(2-Methylphenyl)maleimide, MFCD00022567, TIMTEC-BB SBB000264

1-(2-Methylphenyl)-1H-pyrrole-2,5-dione (CAS 4067-01-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H9NO2 and a molecular weight of 187.19500 g/mol. Key properties include a boiling point of 311.4ºC at 760mmHg, a density of 1.277g/cm3 and a flash point of 139.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4067-01-0
Jingsj CID: J-33010-9
Molecular Formula: C₁₁H₉NO₂
Molecular Weight: 187.19500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	311.4ºC at 760mmHg
Density	1.277g/cm3
Flash Point	139.3ºC
Exact Mass	187.06300
PSA	37.38000
LogP	1.48940
Refractive Index	1.615

Customs & Trade Information

HS Code	2925190090
Summary	2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 1-(2-Methylphenyl)-1H-pyrrole-2,5-dione is 4067-01-0.

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

1-(2-Methylphenyl)-1H-pyrrole-2,5-dione has molecular formula C11H9NO2 and molecular weight 187.19500 g/mol.

What are the upstream and downstream products of 1-(2-Methylphenyl)-1H-pyrrole-2,5-dione?

For 1-(2-Methylphenyl)-1H-pyrrole-2,5-dione, Upstream Products: Maleic anhydride, o-Toluidine, Monomethyl maleate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(2-Methylphenyl)-1H-pyrrole-2,5-dione (CAS 4067-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33010-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.