Prallethrin

Also known as: Prallethrin, 2,2-Dimethyl-3-(2-methyl-1-propen-1-yl)-1-cyclopropanecarboxylic acid 2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester, 2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid 2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl ester, 2-methyl-4-oxo-3-(2-propyn-1-yl)-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate, 2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl-2,2-dimethyl-3-(2-methylprop-1-enyl) cyclopropanecarboxylate, (RS)-2-Methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl (1RS,3RS:1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate, (RS)-2-Methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl,1RS,3RS, (RS)-2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl (1RS)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate, 1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate, Pralle, Rethrinpropargyl, s-4068sf, trans-(+-)-ydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-on

Prallethrin (CAS 23031-36-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C19H24O3 and a molecular weight of 300.39200 g/mol. Key properties include a boiling point of 389.8ºC at 760 mmHg, a density of 1.08 g/cm3 and a flash point of 167.9ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H331 — Toxic if inhaled and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

23031-36-9

Jingsj CID

J-28883-9

Molecular Formula

C₁₉H₂₄O₃

Molecular Weight

300.39200 g/mol

Category

Esters

Last updated

8/21/2026