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Octaethylene glycol monomethyl ether

八聚乙二醇一甲醚

Also known as: 2,5,8,11,14,17,20,23-octaoxapentacosan-25-ol, 2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol, 3,6,9,12,15,18,21,24-octaoxapentacosan-1-ol, O-methyl-octaethylene glycol, MPEG8, mPEG8-OH, Methyl-PEG8-alcohol, Octaethylene Glycol MonoMethyl Ether

Octaethylene glycol monomethyl ether (CAS 25990-96-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C17H36O9 and a molecular weight of 384.462 g/mol. It is also known as 2,5,8,11,14,17,20,23-octaoxapentacosan-25-ol, 2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol and 3,6,9,12,15,18,21,24-octaoxapentacosan-1-ol. Key properties include a boiling point of 454.0±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 228.4±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25990-96-9
Jingsj CID
J-34918-5
Molecular Formula
C17H36O9
Chinese Name
八聚乙二醇一甲醚
Molecular Weight
384.462 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point454.0±40.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point228.4±27.3 °C

Frequently Asked Questions

What is the CAS number of Octaethylene glycol monomethyl ether?

The CAS number of Octaethylene glycol monomethyl ether is 25990-96-9.

What are the molecular formula and molecular weight of Octaethylene glycol monomethyl ether?

Octaethylene glycol monomethyl ether has molecular formula C17H36O9 and molecular weight 384.462 g/mol.

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

Last updated:

How to cite: Jingsj. "Octaethylene glycol monomethyl ether (CAS 25990-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34918-5 (accessed 2026-10-24).

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