Trimethylolpropane trimethacrylate

三羟甲基丙烷三甲基丙烯酸酯

Also known as: 2,2-Bis[(methacryloyloxy)methyl]butyl methacrylate, 1,1,1-Trimethylolpropane trimethacrylate, 2-Ethyl-2-[[(2-methyl-1-oxo-2-propenyl)oxy]methyl]-1,3-propanediyl bis(2-methyl-2-propenoate), Trimethylolpropane trimethylacrylate (incorrect), TMPTMA

Trimethylolpropane trimethacrylate (CAS 102068-89-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H26O6 and a molecular weight of 338.39500 g/mol. It is also known as 2,2-Bis[(methacryloyloxy)methyl]butyl methacrylate, 1,1,1-Trimethylolpropane trimethacrylate and 2-Ethyl-2-[[(2-methyl-1-oxo-2-propenyl)oxy]methyl]-1,3-propanediyl bis(2-methyl-2-propenoate). Key properties include a boiling point of 422.1ºC at 760 mmHg, a density of 1.054g/cm3 and a flash point of 181.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

102068-89-3

Jingsj CID

J-1586428-4

Molecular Formula

C₁₈H₂₆O₆

Chinese Name

三羟甲基丙烷三甲基丙烯酸酯

Molecular Weight

338.39500 g/mol

Category

Organic Acids

Last updated

8/21/2026