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Poly(methylhydrosiloxane), trimethylsilyl terminated

Also known as: Polymethylhydrosiloxane, PMHS, Methylhydrogensiloxane polymer, Poly[oxy(methylsilylene)], α-(trimethylsilyl)-ω-[(trimethylsilyl)oxy]-, homopolymer, poly(dimethylsiloxane-co-methylhydro-siloxane), Polymethylhydrosiloxanes, Polymethylhydrosiloxane, trimethylsilyl terminated

Poly(methylhydrosiloxane), trimethylsilyl terminated (CAS 178873-19-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula (CH3)3SiO[(CH3)HSiO]nSi(CH3)3 and a molecular weight of 222.509 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
178873-19-3
Jingsj CID
J-51292-9
Molecular Formula
(CH3)3SiO(CH3)HSiOnSi(CH3)3
Molecular Weight
222.509 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Frequently Asked Questions

What is the CAS number of Poly(methylhydrosiloxane), trimethylsilyl terminated?

The CAS number of Poly(methylhydrosiloxane), trimethylsilyl terminated is 178873-19-3.

What are the molecular formula and molecular weight of Poly(methylhydrosiloxane), trimethylsilyl terminated?

Poly(methylhydrosiloxane), trimethylsilyl terminated has molecular formula (CH3)3SiO[(CH3)HSiO]nSi(CH3)3 and molecular weight 222.509 g/mol.

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

Last updated:

How to cite: Jingsj. "Poly(methylhydrosiloxane), trimethylsilyl terminated (CAS 178873-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51292-9 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.