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1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane

1,1,5,5-四甲基-3,3-二苯基三硅氧烷

Also known as: Bis(dimethylsiloxy)diphenylsilane, 1,3,3,5-Tetramethyl-1,5-diphenyltrisiloxane, Tetramethyldiphenyldihydrogentrisiloxane, 3,3-Diphenyl-1,1,5,5-tetramethyltrisiloxane, Ph2Si[OSiMe2H]2, Diphenyltetramethyltrisiloxane

1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS 17875-55-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H24O2Si3 and a molecular weight of 332.617 g/mol. It is also known as Bis(dimethylsiloxy)diphenylsilane, 1,3,3,5-Tetramethyl-1,5-diphenyltrisiloxane and Tetramethyldiphenyldihydrogentrisiloxane. Key properties include a boiling point of 292.1±13.0 °C at 760 mmHg and a flash point of 130.5±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17875-55-7
Jingsj CID
J-1198467-6
Molecular Formula
C16H24O2Si3
Chinese Name
1,1,5,5-四甲基-3,3-二苯基三硅氧烷
Molecular Weight
332.617 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point292.1±13.0 °C at 760 mmHg
Flash Point130.5±19.8 °C

Frequently Asked Questions

What is the CAS number of 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane?

The CAS number of 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane is 17875-55-7.

What are the molecular formula and molecular weight of 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane?

1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane has molecular formula C16H24O2Si3 and molecular weight 332.617 g/mol.

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

Last updated:

How to cite: Jingsj. "1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS 17875-55-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1198467-6 (accessed 2026-10-25).

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