Methyl parathion

Also known as: Parathion-methyl, O,O-Dimethyl O-(4-nitrophenyl) phosphorothioate, Dimethyl parathion, Metaphos, Metacid, Vofatox, Wofatox, BAY E 601, Dalf, Parataf, Penncap M, Gearphos, Me-parathion, O,O-Dimethyl O-(p-nitrophenyl) phosphorothioate, O,O-Dimethyl O-(p-nitrophenyl) thionophosphate, O,O-Dimethyl O-p-nitrophenyl thiophosphate, O,O-dimethyl O-(4-nitrophenyl) thiophosphate, O,O-dimethyl O-4-nitrophenyl phosphorothioate, Thiophosphate de O,O-diméthyle et de O-(4-nitrophényle), dimethoxy-(4-nitrophenoxy)-sulfanylidene-λ5-phosphane

Methyl parathion (CAS 298-00-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H10NO5PS and a molecular weight of 263.207 g/mol. Key properties include a melting point of 36°C, a boiling point of 334.7±44.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 156.2±28.4 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H319 — Causes serious eye irritation and H336 — May cause drowsiness or dizziness. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

298-00-0

Jingsj CID

J-33700-8

Molecular Formula

C₈H₁₀NO₅PS

Molecular Weight

263.207 g/mol

Category

Organic Compounds

Last updated

8/21/2026