Diethyl ((methylsulfonyl)methyl)phosphonate

((甲基磺酰基)甲基)膦酸二乙酯

Also known as: Diethyl(methylsulfonylmethyl)phosphonate, Diethyl (methanesulfonylmethyl)phosphonate, Diethyl (methylsulfonyl)methylphosphonate, Diethyl [(methylsulfonyl)methyl]phosphonate, Diethyl P-[(methylsulfonyl)methyl]phosphonate, Methanesulfonylmethyl-phosphonic acid diethyl ester, Phosphonic acid, P-[(methylsulfonyl)methyl]-, diethyl ester, Phosphonic acid, [(methylsulfonyl)methyl]-, diethyl ester, 1-[ethoxy(methylsulfonylmethyl)phosphoryl]oxyethane

Diethyl ((methylsulfonyl)methyl)phosphonate (CAS 40137-11-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H15O5PS and a molecular weight of 230.21900 g/mol. It is also known as Diethyl(methylsulfonylmethyl)phosphonate, Diethyl (methanesulfonylmethyl)phosphonate and Diethyl (methylsulfonyl)methylphosphonate. Key properties include a melting point of 93-95 °C, a boiling point of 373.6±25.0 °C(Predicted) and a density of 1.241±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40137-11-9

Jingsj CID

J-1527741-7

Molecular Formula

C₆H₁₅O₅PS

Chinese Name

((甲基磺酰基)甲基)膦酸二乙酯

Molecular Weight

230.21900 g/mol

Category

Organic Acids

Last updated

8/21/2026