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3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid

3-(2-[2-(2-羟基乙氧基)乙氧基]乙氧基)丙酸

Also known as: Hydroxy-PEG3-acid, HO-PEG3-CH2CH2COOH, HO-PEG4-acid, PEG4-acid, OH-PEG3-COOH, α,ω-hydroxy--propionic acid triethylene glycol, 3,6,9,12-Tetraoxapentadecan-15-oic acid, 1-hydroxy-

3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid (CAS 518044-49-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O6 and a molecular weight of 266.288 g/mol. It is also known as Hydroxy-PEG3-acid, HO-PEG3-CH2CH2COOH and HO-PEG4-acid. Key properties include a boiling point of 420.7±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 155.5±20.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
518044-49-0
Jingsj CID
J-1989473-1
Molecular Formula
C9H18O6
Chinese Name
3-(2-[2-(2-羟基乙氧基)乙氧基]乙氧基)丙酸
Molecular Weight
266.288 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point420.7±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point155.5±20.8 °C

Frequently Asked Questions

What is the CAS number of 3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid?

The CAS number of 3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid is 518044-49-0.

What are the molecular formula and molecular weight of 3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid?

3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid has molecular formula C9H18O6 and molecular weight 266.288 g/mol.

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

Last updated:

How to cite: Jingsj. "3-(2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy)propanoic acid (CAS 518044-49-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1989473-1 (accessed 2026-10-26).

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