2,2,4,4,5,5-hexamethyl-1,3-dioxa-2-silacyclopentane

2,2,4,4,5,5-六甲基-1,3-二氧-2-硅代环戊烷

Also known as: 2,2,4,4,5,5-hexamethyl-1,3,2-dioxasilolane, 1,3-Dioxa-2-silacyclopentane, 2,2,4,4,5,5-hexamethyl-, 2,2,4,4,5,5-hexamethyl-1,3-dioxa-2-sila-cyclopentane, Dimethylpinacoxysilane, Hexamethyl-1,3-dioxa-2-silacyclopentane

2,2,4,4,5,5-hexamethyl-1,3-dioxa-2-silacyclopentane (CAS 3081-20-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H18O2Si and a molecular weight of 174.31300 g/mol. It is also known as 2,2,4,4,5,5-hexamethyl-1,3,2-dioxasilolane, 1,3-Dioxa-2-silacyclopentane, 2,2,4,4,5,5-hexamethyl- and 2,2,4,4,5,5-hexamethyl-1,3-dioxa-2-sila-cyclopentane. Key properties include a boiling point of 155ºC at 760mmHg, a density of 0.91g/cm3 and a flash point of 42.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3081-20-7

Jingsj CID

J-1167820-5

Molecular Formula

C₈H₁₈O₂Si

Chinese Name

2,2,4,4,5,5-六甲基-1,3-二氧-2-硅代环戊烷

Molecular Weight

174.31300 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026