1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane

1,7-二氯-1,1,3,3,5,5,7,7-八甲基四硅氧烷

Also known as: 1,7-dichlorooctamethyltetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-2,4,6-trioxaheptasilane, Tetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-, 1,7-Dichloro-1,1,3,3,5,5,7,7-octamethylheptanetetrasiloxane, chloro-[[[chloro(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-2,4,6-trioxaheptasilane

1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane (CAS 2474-02-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H24Cl2O3Si4 and a molecular weight of 351.522 g/mol. It is also known as 1,7-dichlorooctamethyltetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-2,4,6-trioxaheptasilane and Tetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-. Key properties include a melting point of -62ºC(lit.), a boiling point of 246.6±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 87.8±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2474-02-4
Jingsj CID
J-41020-7
Molecular Formula
C8H24Cl2O3Si4
Chinese Name
1,7-二氯-1,1,3,3,5,5,7,7-八甲基四硅氧烷
Molecular Weight
351.522 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-62ºC(lit.)
Boiling Point246.6±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point87.8±0.0 °C

Frequently Asked Questions

What is the CAS number of 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane?

The CAS number of 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane is 2474-02-4.

What are the molecular formula and molecular weight of 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane?

1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane has molecular formula C8H24Cl2O3Si4 and molecular weight 351.522 g/mol.

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

Last updated:

How to cite: Jingsj. "1,7-dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane (CAS 2474-02-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41020-7 (accessed 2026-10-24).

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