Diethyl phosphorodithioate

Also known as: O,O-Diethyl dithiophosphate, O,O-Diethyl hydrogen dithiophosphate, Diethyl dithiophosphate, Phosphorodithioic acid, O,O-diethyl ester, DEPTA, (EtO)2P(S)SH, Diethyl phosphorodithioic acid, O,O'-Diethyl dithiophosphate, O,O-Diethyl hydrogen phosphorodithioate

Diethyl phosphorodithioate (CAS 298-06-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H11O2PS2 and a molecular weight of 186.233 g/mol. Key properties include a melting point of <0ºC, a boiling point of 232.7±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 82.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.

298-06-6

Jingsj CID

J-26899-5

Molecular Formula

C₄H₁₁O₂PS₂

Molecular Weight

186.233 g/mol

Category

Organic Acids

Last updated

11/3/2026