2,4'-Dibromoacetophenone
Also known as: p-Bromophenacyl bromide, 4-Bromophenacyl bromide, 2-bromo-1-(4-bromophenyl)ethanone, α,4'-dibromoacetophenone, p-α-dibromoacetophenone, PBPB, Bromophenacyl Bromide, 4,alpha-dibromoacetophenone, omega,4-dibromoacetophenone
2,4'-Dibromoacetophenone (CAS 99-73-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6Br2O and a molecular weight of 277.941 g/mol. Key properties include a melting point of 108-110 °C(lit.), a boiling point of 310.4±22.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 114.1±8.9 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 99-73-0
- Jingsj CID
- J-6543-8
- Molecular Formula
- C8H6Br2O
- Molecular Weight
- 277.941 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 108-110 °C(lit.) |
|---|---|
| Boiling Point | 310.4±22.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 114.1±8.9 °C |
| Exact Mass | 275.878540 |
| PSA | 17.07000 |
| LogP | 2.95 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.604 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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 2,4'-Dibromoacetophenone?
The CAS number of 2,4'-Dibromoacetophenone is 99-73-0.
What are the molecular formula and molecular weight of 2,4'-Dibromoacetophenone?
2,4'-Dibromoacetophenone has molecular formula C8H6Br2O and molecular weight 277.941 g/mol.
Is 2,4'-Dibromoacetophenone hazardous?
2,4'-Dibromoacetophenone has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2,4'-Dibromoacetophenone?
For 2,4'-Dibromoacetophenone, Upstream Products: 4'-Bromoacetophenone, 1-Bromo-4-ethylbenzene, 4-Bromostyrene; Downstream Products: benzyl (2S)-2-[5-(4-bromophenyl)-1H-imidazol-2-yl]pyrrolidine-1-carboxylate, 2-(4-Bromophenyl)-2-oxoethyl acetate, 1-(4-bromophenyl)-2-hydroxyethan-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4'-Dibromoacetophenone (CAS 99-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6543-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.