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Pentaethylene glycol monomethyl ether

五乙二醇单甲醚

Also known as: 2,5,8,11,14-Pentaoxahexadecan-16-ol, 3,6,9,12,15-Pentaoxahexadecan-1-ol, 2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethanol, Methoxy-PEG5-OH, m-PEG5-OH, PEG5 monomethyl ether

Pentaethylene glycol monomethyl ether (CAS 23778-52-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H24O6 and a molecular weight of 252.305 g/mol. It is also known as 2,5,8,11,14-Pentaoxahexadecan-16-ol, 3,6,9,12,15-Pentaoxahexadecan-1-ol and 2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethanol. Key properties include a boiling point of 332.3±32.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 154.7±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23778-52-1
Jingsj CID
J-36462-1
Molecular Formula
C11H24O6
Chinese Name
五乙二醇单甲醚
Molecular Weight
252.305 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point332.3±32.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point154.7±25.1 °C

Frequently Asked Questions

What is the CAS number of Pentaethylene glycol monomethyl ether?

The CAS number of Pentaethylene glycol monomethyl ether is 23778-52-1.

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

Pentaethylene glycol monomethyl ether has molecular formula C11H24O6 and molecular weight 252.305 g/mol.

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

Last updated:

How to cite: Jingsj. "Pentaethylene glycol monomethyl ether (CAS 23778-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36462-1 (accessed 2026-10-25).

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