2-Bromo-2',4'-dichloroacetophenone
Also known as: 2-Bromo-1-(2,4-dichlorophenyl)ethan-1-one, 2,4-Dichlorophenacyl bromide, alpha-Bromo-2,4-dichloroacetophenone, 2-Bromo-2′,4′-dichloroacetophenone, Ethanone, 2-bromo-1-(2,4-dichlorophenyl)-
2-Bromo-2',4'-dichloroacetophenone (CAS 2631-72-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5BrCl2O and a molecular weight of 267.935 g/mol. Key properties include a melting point of 25-29 °C(lit.), a boiling point of 296.7±25.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 133.3±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2631-72-3
- Jingsj CID
- J-16490-9
- Molecular Formula
- C8H5BrCl2O
- Molecular Weight
- 267.935 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 25-29 °C(lit.) |
|---|---|
| Boiling Point | 296.7±25.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 133.3±23.2 °C |
| Exact Mass | 265.890076 |
| PSA | 17.07000 |
| LogP | 3.31 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.596 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
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 2-Bromo-2',4'-dichloroacetophenone?
The CAS number of 2-Bromo-2',4'-dichloroacetophenone is 2631-72-3.
What are the molecular formula and molecular weight of 2-Bromo-2',4'-dichloroacetophenone?
2-Bromo-2',4'-dichloroacetophenone has molecular formula C8H5BrCl2O and molecular weight 267.935 g/mol.
Is 2-Bromo-2',4'-dichloroacetophenone hazardous?
2-Bromo-2',4'-dichloroacetophenone has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Bromo-2',4'-dichloroacetophenone?
For 2-Bromo-2',4'-dichloroacetophenone, Upstream Products: 2',4'-Dichloroacetophenone, Water, Trimethyl phosphite; Downstream Products: 3-(2,4-Dichlorophenyl)-3-oxopropanenitrile, 1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanone, 2',4'-Dichloroacetophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Bromo-2',4'-dichloroacetophenone (CAS 2631-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16490-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.