2,3-Dichloro-N-methylmaleimide

2,3-二氯-N-甲基马来酰亚胺

Also known as: 3,4-Dichloro-1-methyl-1H-pyrrole-2,5-dione, 3,4-Dichloro-1-methyl-2,5-dihydro-1H-pyrrole-2,5-dione, 3,4-Dichloro-1-methylmaleimide, 3,4-Dichloro-N-methylmaleimide, N-Methyl-3,4-dichloromaleimide, N-Methyl-2,3-dichloromaleimide, N-Methyldichloromaleimide, Dichloro-N-methylmaleimide, n-Methyl-dichloromaleinimide, Maleimide, dichloro-N-methyl-

2,3-Dichloro-N-methylmaleimide (CAS 1123-61-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2NO2 and a molecular weight of 179.989 g/mol. It is also known as 3,4-Dichloro-1-methyl-1H-pyrrole-2,5-dione, 3,4-Dichloro-1-methyl-2,5-dihydro-1H-pyrrole-2,5-dione and 3,4-Dichloro-1-methylmaleimide. Key properties include a boiling point of 205.7±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 78.2±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1123-61-1

Jingsj CID

J-28313-7

Molecular Formula

C₅H₃Cl₂NO₂

Chinese Name

2,3-二氯-N-甲基马来酰亚胺

Molecular Weight

179.989 g/mol

Category

Organic Bases

Last updated

8/21/2026