3,5-Dichloro-1-methyl-2(1H)-pyrazinone

3,5-二氯-1-甲基吡嗪-2(1H)-酮

Also known as: 1-Methyl-3,5-dichloro-2(1H)-pyrazinone, 2(1H)-Pyrazinone, 3,5-dichloro-1-methyl-, 3,5-Dichloro-1-methyl-1H-pyrazin-2-one, 3,5-dichloro-1-methyl-1,2-dihydropyrazin-2-one, 3,5-dichloro-1-methylpyrazin-2(1H)-one, 3,5-dichloro-1-methylpyrazin-2-one

3,5-Dichloro-1-methyl-2(1H)-pyrazinone (CAS 87486-33-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H4Cl2N2O and a molecular weight of 179.004 g/mol. It is also known as 1-Methyl-3,5-dichloro-2(1H)-pyrazinone, 2(1H)-Pyrazinone, 3,5-dichloro-1-methyl- and 3,5-Dichloro-1-methyl-1H-pyrazin-2-one. Key properties include a melting point of 71 °C, a boiling point of 225.7±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 90.3±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

87486-33-7

Jingsj CID

J-1317037-2

Molecular Formula

C₅H₄Cl₂N₂O

Chinese Name

3,5-二氯-1-甲基吡嗪-2(1H)-酮

Molecular Weight

179.004 g/mol

Category

Ketones

Last updated

8/21/2026