1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane

1,3-二氯四苯基二硅氧烷

Also known as: 1,3-Dichlorotetraphenyldisiloxane, Disiloxane, 1,3-dichloro-1,1,3,3-tetraphenyl-, chloro-[chloro(diphenyl)silyl]oxy-diphenylsilane, Dichlorotetraphenyldisiloxane, tetraphenyl-1,3-dichloro-disiloxane, ClPh2Si-O-SiPh2Cl, Benzene, 1,1',1'',1'''-(1,3-dichloro-1,3-disiloxanediylidene)tetrakis-, 1,3-Dichloro-1,1,3,3-tetraphenylpropanedisiloxane

1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane (CAS 7756-87-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H20Cl2OSi2 and a molecular weight of 451.492 g/mol. It is also known as 1,3-Dichlorotetraphenyldisiloxane, Disiloxane, 1,3-dichloro-1,1,3,3-tetraphenyl- and chloro-[chloro(diphenyl)silyl]oxy-diphenylsilane. Key properties include a melting point of 36-38ºC, a boiling point of 474.9±18.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 199.2±13.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7756-87-8
Jingsj CID
J-6713-7
Molecular Formula
C24H20Cl2OSi2
Chinese Name
1,3-二氯四苯基二硅氧烷
Molecular Weight
451.492 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point36-38ºC
Boiling Point474.9±18.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point199.2±13.3 °C

Frequently Asked Questions

What is the CAS number of 1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane?

The CAS number of 1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane is 7756-87-8.

What are the molecular formula and molecular weight of 1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane?

1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane has molecular formula C24H20Cl2OSi2 and molecular weight 451.492 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3-Dichloro-1,1,3,3-tetraphenyldisiloxane (CAS 7756-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6713-7 (accessed 2026-10-22).

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