1,3-Dichloro-1,1,3,3-tetramethyldisiloxane

1,3-二氯四甲基二硅氧烷

Also known as: 1,3-Dichlorotetramethyldisiloxane, sym-Dichlorotetramethyldisiloxane, bis(Chlorodimethylsilyl) ether, Oxybis(chlorodimethylsilane), Disiloxane, 1,3-dichloro-1,1,3,3-tetramethyl-, 1,1,3,3-Tetramethyl-1,3-dichlorodisiloxane, Chloro-[chloro(dimethyl)silyl]oxy-dimethylsilane

1,3-Dichloro-1,1,3,3-tetramethyldisiloxane (CAS 2401-73-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H12Cl2OSi2 and a molecular weight of 203.214 g/mol. It is also known as 1,3-Dichlorotetramethyldisiloxane, sym-Dichlorotetramethyldisiloxane and bis(Chlorodimethylsilyl) ether. Key properties include a melting point of -37 °C, a boiling point of 138.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 33.0±10.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2401-73-2

Jingsj CID

J-1994193-6

Molecular Formula

C₄H₁₂Cl₂OSi₂

Chinese Name

1,3-二氯四甲基二硅氧烷

Molecular Weight

203.214 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026