2-Chloro-1-(3,4-dichlorophenyl)ethanone
2-氯-1-(3,4-二氯苯基)乙酮
Also known as: 2,3',4'-Trichloroacetophenone, 3,4-Dichlorophenacyl chloride, Ethanone, 2-chloro-1-(3,4-dichlorophenyl)-
2-Chloro-1-(3,4-dichlorophenyl)ethanone (CAS 42981-08-8) 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 2,3',4'-Trichloroacetophenone, 3,4-Dichlorophenacyl chloride and Ethanone, 2-chloro-1-(3,4-dichlorophenyl)-. Key properties include a melting point of 46-47°C, a boiling point of 335.4±32.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 141.5±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42981-08-8
- Jingsj CID
- J-1992981-9
- Molecular Formula
- C8H5Cl3O
- Chinese Name
- 2-氯-1-(3,4-二氯苯基)乙酮
- Molecular Weight
- 223.484 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 46-47°C |
|---|---|
| Boiling Point | 335.4±32.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 141.5±25.7 °C |
Frequently Asked Questions
What is the CAS number of 2-Chloro-1-(3,4-dichlorophenyl)ethanone?
The CAS number of 2-Chloro-1-(3,4-dichlorophenyl)ethanone is 42981-08-8.
What are the molecular formula and molecular weight of 2-Chloro-1-(3,4-dichlorophenyl)ethanone?
2-Chloro-1-(3,4-dichlorophenyl)ethanone has molecular formula C8H5Cl3O and molecular weight 223.484 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Chloro-1-(3,4-dichlorophenyl)ethanone (CAS 42981-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992981-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.