1,3-Bis(3-carboxypropyl)tetramethyldisiloxane

1,3-双(3-羧基丙基)四甲基二硅氧烷

Also known as: 4-[[3-carboxypropyl(dimethyl)silyl]oxy-dimethylsilyl]butanoic acid, 4,4'-(1,1,3,3-tetramethyldisiloxane-1,3-diyl)dibutanoic acid, 4,4'-(1,1,3,3-tetramethyldisiloxane-1,3-diyl)dibutyric acid, 4,4'-[oxybis(dimethylsilanediyl)]dibutyric acid, 5,5,7,7-tetramethyl-6-oxa-5,7-disila-undecanedioic acid, Bis(3-carboxypropyl)tetramethyldisiloxane, Butanoic acid, 4,4'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis-, MFCD00045969

1,3-Bis(3-carboxypropyl)tetramethyldisiloxane (CAS 3353-68-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H26O5Si2 and a molecular weight of 306.503 g/mol. It is also known as 4-[[3-carboxypropyl(dimethyl)silyl]oxy-dimethylsilyl]butanoic acid, 4,4'-(1,1,3,3-tetramethyldisiloxane-1,3-diyl)dibutanoic acid and 4,4'-(1,1,3,3-tetramethyldisiloxane-1,3-diyl)dibutyric acid. Key properties include a melting point of 47ºC, a boiling point of 379.3±27.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 183.2±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3353-68-2

Jingsj CID

J-1068624-7

Molecular Formula

C₁₂H₂₆O₅Si₂

Chinese Name

1,3-双(3-羧基丙基)四甲基二硅氧烷

Molecular Weight

306.503 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026