S-Methyl 4,4,4-trifluoro-3-oxothiobutyrate

3-氧代-4,4,4-三氟硫代丁酸-S-甲酯

Also known as: S-Methyl 3-oxo-4,4,4-trifluorothiobutyrate, S-Methyl 4,4,4-trifluoroacetoacetthioate, S-methyl 4,4,4-trifluoro-3-oxobutanethioate, Methyl 4,4,4-trifluoro-3-oxobutanethioate, 4,4,4-Trifluoro-1-methylthiobutane-1,3-dione, Butanethioic acid, 4,4,4-trifluoro-3-oxo-, S-methyl ester

S-Methyl 4,4,4-trifluoro-3-oxothiobutyrate (CAS 118528-85-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5F3O2S and a molecular weight of 186.15200 g/mol. It is also known as S-Methyl 3-oxo-4,4,4-trifluorothiobutyrate, S-Methyl 4,4,4-trifluoroacetoacetthioate and S-methyl 4,4,4-trifluoro-3-oxobutanethioate. Key properties include a boiling point of 78-80ºC/73 mmHg(lit.), a density of 1.352 g/mL at 25ºC(lit.) and a flash point of 49ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

118528-85-1

Jingsj CID

J-1504428-4

Molecular Formula

C₅H₅F₃O₂S

Chinese Name

3-氧代-4,4,4-三氟硫代丁酸-S-甲酯

Molecular Weight

186.15200 g/mol

Category

Organic Acids

Last updated

8/21/2026