2,2-dimethyl-5,5-diprop-2-ynyl-1,3-dioxane-4,6-dione

2,2-二甲基-5,5-二(丙-2-炔-1-基)-1,3-二氧六环-4,6-二酮

Also known as: 1,3-Dioxane-4,6-dione, 2,2-dimethyl-5,5-di-2-propyn-1-yl-, 1,3-Dioxane-4,6-dione, 2,2-dimethyl-5,5-di-2-propynyl-, 2,2-dimethyl-5,5-bis(prop-2-ynyl)-1,3-dioxane-4,6-dione, 2,2-Dimethyl-5,5-di(prop-2-yn-1-yl)-1,3-dioxane-4,6-dione, Isopropylidene 1,6-heptadiyne-4,4-dicarboxylate (Meldrum's acid, dipropargyl), HMS550F03, MFCD00052910

2,2-dimethyl-5,5-diprop-2-ynyl-1,3-dioxane-4,6-dione (CAS 145544-03-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H12O4 and a molecular weight of 220.22100 g/mol. It is also known as 1,3-Dioxane-4,6-dione, 2,2-dimethyl-5,5-di-2-propyn-1-yl-, 1,3-Dioxane-4,6-dione, 2,2-dimethyl-5,5-di-2-propynyl- and 2,2-dimethyl-5,5-bis(prop-2-ynyl)-1,3-dioxane-4,6-dione. Key properties include a boiling point of 396.3ºC at 760mmHg, a density of 1.134g/cm3 and a flash point of 204.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

145544-03-2

Jingsj CID

J-1339862-2

Molecular Formula

C₁₂H₁₂O₄

Chinese Name

2,2-二甲基-5,5-二(丙-2-炔-1-基)-1,3-二氧六环-4,6-二酮

Molecular Weight

220.22100 g/mol

Category

Ketones

Last updated

8/21/2026