Maleimido-tri(ethylene glycol)-propionic acid

马来酰亚胺-三聚乙二醇-丙酸

Also known as: Mal-PEG3-acid, Mal-PEG3-COOH, Mal-PEG3-CH2CH2COOH, Maleimide-PEG3-CH2CH2COOH, 3-(2-(2-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)ethoxy)propanoic acid, Propanoic acid, 3-[2-[2-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]ethoxy]ethoxy]-

Maleimido-tri(ethylene glycol)-propionic acid (CAS 518044-40-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C13H19NO7 and a molecular weight of 301.293 g/mol. It is also known as Mal-PEG3-acid, Mal-PEG3-COOH and Mal-PEG3-CH2CH2COOH. Key properties include a boiling point of 634.2±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 337.3±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
518044-40-1
Jingsj CID
J-1816-6
Molecular Formula
C13H19NO7
Chinese Name
马来酰亚胺-三聚乙二醇-丙酸
Molecular Weight
301.293 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point634.2±55.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point337.3±31.5 °C

Frequently Asked Questions

What is the CAS number of Maleimido-tri(ethylene glycol)-propionic acid?

The CAS number of Maleimido-tri(ethylene glycol)-propionic acid is 518044-40-1.

What are the molecular formula and molecular weight of Maleimido-tri(ethylene glycol)-propionic acid?

Maleimido-tri(ethylene glycol)-propionic acid has molecular formula C13H19NO7 and molecular weight 301.293 g/mol.

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

Last updated:

How to cite: Jingsj. "Maleimido-tri(ethylene glycol)-propionic acid (CAS 518044-40-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1816-6 (accessed 2026-10-24).

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