3,3-dimethyl-1,5-dioxaspiro[5.5]undecane

3,3-二甲基-1,5-二氧杂螺[5.5]十一烷

Also known as: 1,5-Dioxaspiro[5.5]undecane, 3,3-dimethyl-, 2,2-Pentamethylene-5,5-dimethyl-1,3-dioxane, 3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan, 5,5-Dimethyl-1,3-dioxane-2-spirocyclohexane, 9,9-Dimethyl-7,11-dioxaspiro[5.5]undecane, Cyclohexanone 2,2-dimethylpropane-1,3-diyl acetal, NSC 7021, thyme undecane

3,3-dimethyl-1,5-dioxaspiro[5.5]undecane (CAS 707-29-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H20O2 and a molecular weight of 184.27500 g/mol. It is also known as 1,5-Dioxaspiro[5.5]undecane, 3,3-dimethyl-, 2,2-Pentamethylene-5,5-dimethyl-1,3-dioxane and 3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan. Key properties include a boiling point of 214.4ºC at 760 mmHg, a density of 0.98g/cm3 and a flash point of 78.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

707-29-9

Jingsj CID

J-1449248-2

Molecular Formula

C₁₁H₂₀O₂

Chinese Name

3,3-二甲基-1,5-二氧杂螺[5.5]十一烷

Molecular Weight

184.27500 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026