DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER

二甲基硅氧烷-(85-90%环氧乙烷)嵌段共聚物

Also known as: MFCD00240065, Poly[dimethylsiloxane-co-methyl(3-hydroxypropyl)siloxane]-graft-poly(ethylene glycol) methyl ether

DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER (CAS 68938-54-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C15H40O5Si4 and a molecular weight of 412.82 g/mol. It is also known as MFCD00240065 and Poly[dimethylsiloxane-co-methyl(3-hydroxypropyl)siloxane]-graft-poly(ethylene glycol) methyl ether. Key property: a flash point of 73 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 68938-54-5
Jingsj CID: J-1528554-0
Molecular Formula: C₁₅H₄₀O₅Si₄
Chinese Name: 二甲基硅氧烷-(85-90%环氧乙烷)嵌段共聚物
Molecular Weight: 412.82 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Flash Point	73 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER?

The CAS number of DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER is 68938-54-5.

What are the molecular formula and molecular weight of DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER?

DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER has molecular formula C15H40O5Si4 and molecular weight 412.82 g/mol.

Is DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER hazardous?

DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "DIMETHYLSILOXANE-(85-90% ETHYLENE OXIDE) BLOCK COPOLYMER (CAS 68938-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528554-0 (accessed 2026-10-23).

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