Demeton-S

内吸磷-S

Also known as: O,O-Diethyl S-[2-(ethylthio)ethyl] phosphorothioate, Phosphorothioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester, Systox-thiol, Isosystox, Demetonthiol, Thioldemeton, O,O-Diethyl S-2-ethylthioethyl phosphorothioate, Diethyl S-2-ethylthioethyl phosphorothioate, PO-Systox, Demeton o,s, Izosystox, Isodemeton, Mercaptophos thiol

Demeton-S (CAS 126-75-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H19O3PS2 and a molecular weight of 258.338 g/mol. It is also known as O,O-Diethyl S-[2-(ethylthio)ethyl] phosphorothioate, Phosphorothioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester and Systox-thiol. Key properties include a melting point of 95-97℃, a boiling point of 320.5±44.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 147.6±28.4 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

126-75-0

Jingsj CID

J-38207-0

Molecular Formula

C₈H₁₉O₃PS₂

Chinese Name

内吸磷-S

Molecular Weight

258.338 g/mol

Category

Organic Compounds

Last updated

8/21/2026