N-tert-Butylmaleimide

N-叔丁基马来酰亚胺

Also known as: 1-(tert-Butyl)-1H-pyrrole-2,5-dione, 1-tert-Butyl-1H-pyrrole-2,5-dione, 1-tert-Butyl-2,5-dihydro-1H-pyrrole-2,5-dione, 1-tert-butylpyrrole-2,5-dione, 1H-Pyrrole-2,5-dione, 1-(1,1-dimethylethyl)-, AKOS MSC-0047, MFCD00191885, N-TERT-BUTYLMALEIMIDE, N-tert-ButylMaleiMide, N-tert-Butylmaleinimide, n-tert-butylmaleimide, t-Butyl Maleimide, tert-Butylmaleimide, 1-(2-Methyl-2-propanyl)-1H-pyrrole-2,5-dione

N-tert-Butylmaleimide (CAS 4144-22-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H11NO2 and a molecular weight of 153.178 g/mol. It is also known as 1-(tert-Butyl)-1H-pyrrole-2,5-dione, 1-tert-Butyl-1H-pyrrole-2,5-dione and 1-tert-Butyl-2,5-dihydro-1H-pyrrole-2,5-dione. Key properties include a boiling point of 226.2±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 80.0±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4144-22-3
Jingsj CID
J-36240-5
Molecular Formula
C8H11NO2
Chinese Name
N-叔丁基马来酰亚胺
Molecular Weight
153.178 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point226.2±9.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point80.0±0.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of N-tert-Butylmaleimide?

The CAS number of N-tert-Butylmaleimide is 4144-22-3.

What are the molecular formula and molecular weight of N-tert-Butylmaleimide?

N-tert-Butylmaleimide has molecular formula C8H11NO2 and molecular weight 153.178 g/mol.

Is N-tert-Butylmaleimide hazardous?

N-tert-Butylmaleimide 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-tert-Butylmaleimide (CAS 4144-22-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36240-5 (accessed 2026-10-24).

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