Ethyl trimethylsilyl malonate

乙基三甲基硅基丙二酸

Also known as: 1-O-ethyl 3-O-trimethylsilyl propanedioate, Propanedioic acid 1-ethyl 3-(trimethylsilyl) ester, O-ethyl 3-O-trimethylsilyl propanedioate, EINECS 242-340-4, MFCD00042885, Einecs 242-340-4, Malonic acid, ethyl trimethylsilyl ester

Ethyl trimethylsilyl malonate (CAS 18457-03-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H16O4Si and a molecular weight of 204.29600 g/mol. It is also known as 1-O-ethyl 3-O-trimethylsilyl propanedioate, Propanedioic acid 1-ethyl 3-(trimethylsilyl) ester and O-ethyl 3-O-trimethylsilyl propanedioate. Key properties include a boiling point of 262.4ºC at 760mmHg, a density of 1.004g/cm3 and a flash point of 62.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

18457-03-9

Jingsj CID

J-12294-8

Molecular Formula

C₈H₁₆O₄Si

Chinese Name

乙基三甲基硅基丙二酸

Molecular Weight

204.29600 g/mol

Category

Organic Acids

Last updated

8/21/2026