2,2',4'-Trichloroacetophenone

2,2',4'-三氯苯乙酮

Also known as: 2,2',4'-Trichloroacetophenone, 2,4-Dichlorophenacyl chloride, 2,4-dichlorophenyl chloromethyl ketone, Ethanone, 2-chloro-1-(2,4-dichlorophenyl)-, α,2,4-Trichloroacetophenone, ω,2,4-Trichloroacetophenone, 2-Chloro-1-(2,4-dichlorophenyl)ethanone, MFCD00000934, EINECS 224-218-2

2,2',4'-Trichloroacetophenone (CAS 4252-78-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5Cl3O and a molecular weight of 223.484 g/mol. It is also known as 2,4-Dichlorophenacyl chloride, 2,4-dichlorophenyl chloromethyl ketone and Ethanone, 2-chloro-1-(2,4-dichlorophenyl)-. Key properties include a melting point of 47-54 °C(lit.), a boiling point of 292.2±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 122.1±23.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4252-78-2

Jingsj CID

J-1100631-2

Molecular Formula

C₈H₅Cl₃O

Chinese Name

2,2',4'-三氯苯乙酮

Molecular Weight

223.484 g/mol

Category

Ketones

Last updated

8/21/2026