N-Propylmaleimide

N-正丙基马来酰亚胺

Also known as: 1-Propyl-1H-pyrrole-2,5-dione, 1-(n-Propyl)-1H-pyrrole-2,5-dione, Maleimide, N-propyl-, N-(n-Propyl)maleimide, N-Propylmaleinimide, 1-propyl-1H-pyrrole-2,5-dione, 1H-Pyrrole-2,5-dione, 1-propyl-, EINECS 244-564-8, MFCD00014541

N-Propylmaleimide (CAS 21746-40-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2 and a molecular weight of 139.15200 g/mol. It is also known as 1-Propyl-1H-pyrrole-2,5-dione, 1-(n-Propyl)-1H-pyrrole-2,5-dione and Maleimide, N-propyl-. Key properties include a melting point of 24-26ºC, a boiling point of 97ºC18 mm Hg(lit.), a density of 1.073 and a flash point of 95ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21746-40-7
Jingsj CID
J-18667-8
Molecular Formula
C7H9NO2
Chinese Name
N-正丙基马来酰亚胺
Molecular Weight
139.15200 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point24-26ºC
Boiling Point97ºC18 mm Hg(lit.)
Density1.073
Flash Point95ºC

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of N-Propylmaleimide?

The CAS number of N-Propylmaleimide is 21746-40-7.

What are the molecular formula and molecular weight of N-Propylmaleimide?

N-Propylmaleimide has molecular formula C7H9NO2 and molecular weight 139.15200 g/mol.

Is N-Propylmaleimide hazardous?

N-Propylmaleimide has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "N-Propylmaleimide (CAS 21746-40-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18667-8 (accessed 2026-10-23).

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