Poly(ethylene glycol) butyl ether

聚乙二醇单丁醚

Also known as: Poly(oxy-1,2-ethanediyl), α-butyl-ω-hydroxy-, Polyoxyethylene butyl ether, Butoxypolyethylene glycol, Polyethylene glycol monobutyl ether, α-Butyl-ω-hydroxypoly(oxyethylene), PEG butyl ether, Poly(ethylene glycol) monobutyl ether

Poly(ethylene glycol) butyl ether (CAS 9004-77-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O2 and a molecular weight of 138.124 g/mol. It is also known as Poly(oxy-1,2-ethanediyl), α-butyl-ω-hydroxy-, Polyoxyethylene butyl ether and Butoxypolyethylene glycol. Key properties include a melting point of 60-61℃, a boiling point of 243.8±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 101.3±22.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
9004-77-7
Jingsj CID
J-51963-4
Molecular Formula
C6H6N2O2
Chinese Name
聚乙二醇单丁醚
Molecular Weight
138.124 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point60-61℃
Boiling Point243.8±23.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point101.3±22.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Poly(ethylene glycol) butyl ether?

The CAS number of Poly(ethylene glycol) butyl ether is 9004-77-7.

What are the molecular formula and molecular weight of Poly(ethylene glycol) butyl ether?

Poly(ethylene glycol) butyl ether has molecular formula C6H6N2O2 and molecular weight 138.124 g/mol.

Is Poly(ethylene glycol) butyl ether hazardous?

Poly(ethylene glycol) butyl ether 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. "Poly(ethylene glycol) butyl ether (CAS 9004-77-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51963-4 (accessed 2026-10-23).

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