![Molecular structure of 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one (CAS 5731-01-1)](/images/chem_structures_svg/206/5731-01-1.svg)
1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one
Also known as: 4-Acetyl-4'-bromobiphenyl, 4'-(4-Bromophenyl)acetophenone, 4-(4-Bromophenyl)acetophenone, 4-Acetyl-4'-bromodiphenyl, 4'-bromo-4-acetylbiphenyl, 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethanone, AKOS BAR-2458, Acetylbromodiphenyl, TIMTEC-BB SBB005889
1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one (CAS 5731-01-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H11BrO and a molecular weight of 275.14100 g/mol. Key properties include a melting point of 129-133 °C(lit.), a boiling point of 372.1ºC at 760 mmHg, a density of 1.359 g/cm3 and a flash point of 76.7ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5731-01-1
- Jingsj CID
- J-6544-1
- Molecular Formula
- C14H11BrO
- Molecular Weight
- 275.14100 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 129-133 °C(lit.) |
|---|---|
| Boiling Point | 372.1ºC at 760 mmHg |
| Density | 1.359 g/cm3 |
| Flash Point | 76.7ºC |
| Exact Mass | 273.99900 |
| PSA | 17.07000 |
| LogP | 4.31870 |
| Refractive Index | 1.592 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H411 — Toxic to aquatic life with long lasting effects
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-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one?
The CAS number of 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one is 5731-01-1.
What are the molecular formula and molecular weight of 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one?
1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one has molecular formula C14H11BrO and molecular weight 275.14100 g/mol.
Is 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one hazardous?
1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H411 — Toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one?
For 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one, Upstream Products: 4-Bromobiphenyl, Acetyl chloride, 1-Bromo-4-iodobenzene; Downstream Products: 1-(1,1'-biphenyl-4-yl)ethanone, 4'-Cyano-[1,1'-biphenyl]-4-carboxylic acid, 4-Bromo-4'-ethylbiphenyl.
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-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one (CAS 5731-01-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6544-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.