4-Biphenylacetic acid
Also known as: Felbinac, 4-Biphenylylacetic acid, Biphenyl-4-acetic acid, [1,1'-Biphenyl]-4-acetic acid, biphenyl-4-ylacetic acid, p-Biphenylacetic acid, Napageln, Seltouch, Traxam
4-Biphenylacetic acid (CAS 5728-52-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H12O2 and a molecular weight of 212.244 g/mol. Key properties include a melting point of 159-160 °C(lit.), a boiling point of 389.8±21.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 286.6±17.2 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5728-52-9
- Jingsj CID
- J-1994047-7
- Molecular Formula
- C14H12O2
- Molecular Weight
- 212.244 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 159-160 °C(lit.) |
|---|---|
| Boiling Point | 389.8±21.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 286.6±17.2 °C |
| Exact Mass | 212.083725 |
| PSA | 37.30000 |
| LogP | 3.26 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.596 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Van Eerdenbrugh B, et al. 2-(Biphenyl-4-yl)acetic acid (felbinac). Acta Crystallogr Sect E Struct Rep Online. |
|---|
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Biphenylacetic acid?
The CAS number of 4-Biphenylacetic acid is 5728-52-9.
What are the molecular formula and molecular weight of 4-Biphenylacetic acid?
4-Biphenylacetic acid has molecular formula C14H12O2 and molecular weight 212.244 g/mol.
Is 4-Biphenylacetic acid hazardous?
4-Biphenylacetic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H315 — Causes skin irritation.
What are the upstream and downstream products of 4-Biphenylacetic acid?
For 4-Biphenylacetic acid, Upstream Products: 4-(Chloromethyl)biphenyl, Phenylboronic acid, 4-Bromophenylacetic acid; Downstream Products: 2-([1,1'-biphenyl]-4-yl)ethanol, 3-(4-Biphenylyl)propanoic acid, 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. "4-Biphenylacetic acid (CAS 5728-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994047-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.