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

N-(4-氯苯基)马来酰亚胺

Also known as: 1-(4-Chlorophenyl)-3-pyrroline-2,5-dione, N-(4-Chlorophenyl)maleimide, N-(p-Chlorophenyl)maleimide, N-(4-Chlorophenyl)maleinimide, N-(p-Chlorophenyl)maleinimide, AKOS MSC-0021, ASISCHEM D48954, AURORA 12545

1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione (CAS 1631-29-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H6ClNO2 and a molecular weight of 207.61300 g/mol. It is also known as 1-(4-Chlorophenyl)-3-pyrroline-2,5-dione, N-(4-Chlorophenyl)maleimide and N-(p-Chlorophenyl)maleimide. Key properties include a melting point of 115-120 °C, a boiling point of 350.6ºC at 760mmHg, a density of 1.459g/cm3 and a flash point of 165.9ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1631-29-4
Jingsj CID
J-11950-6
Molecular Formula
C10H6ClNO2
Chinese Name
N-(4-氯苯基)马来酰亚胺
Molecular Weight
207.61300 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115-120 °C
Boiling Point350.6ºC at 760mmHg
Density1.459g/cm3
Flash Point165.9ºC

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

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

The CAS number of 1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione is 1631-29-4.

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

1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione has molecular formula C10H6ClNO2 and molecular weight 207.61300 g/mol.

Is 1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione hazardous?

1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione (CAS 1631-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11950-6 (accessed 2026-10-24).

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