1-(3,4-dichlorophenyl)ethanone
Also known as: 3',4'-dichloroacetophenone, 3,4-dichloroacetophenone, 3,4-dichlorophenyl methyl ketone, 1-acetyl-3,4-dichlorobenzene, acetophenone, 3',4'-dichloro-
1-(3,4-dichlorophenyl)ethanone (CAS 2642-63-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6Cl2O and a molecular weight of 189.039 g/mol. Key properties include a melting point of 72-74 °C(lit.), a boiling point of 264.9±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 120.3±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2642-63-9
- Jingsj CID
- J-38612-9
- Molecular Formula
- C8H6Cl2O
- Molecular Weight
- 189.039 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72-74 °C(lit.) |
|---|---|
| Boiling Point | 264.9±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 120.3±23.7 °C |
| Exact Mass | 187.979568 |
| PSA | 17.07000 |
| LogP | 3.07 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.549 |
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-(3,4-dichlorophenyl)ethanone?
The CAS number of 1-(3,4-dichlorophenyl)ethanone is 2642-63-9.
What are the molecular formula and molecular weight of 1-(3,4-dichlorophenyl)ethanone?
1-(3,4-dichlorophenyl)ethanone has molecular formula C8H6Cl2O and molecular weight 189.039 g/mol.
What are the upstream and downstream products of 1-(3,4-dichlorophenyl)ethanone?
For 1-(3,4-dichlorophenyl)ethanone, Upstream Products: Acetyl chloride, 1,2-Dichlorobenzene, 1-(3,4-Dichlorophenyl)ethanol; Downstream Products: 2-Amino-4-(3,4-dichlorophenyl)thiazole, 1,2-dichloro-4-ethenylbenzene, 1-(3,4-Dichlorophenyl)-4,4,4-trifluorobutane-1,3-dione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(3,4-dichlorophenyl)ethanone (CAS 2642-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38612-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.