4-Phenoxyphenylacetic acid

Also known as: (4-Phenoxyphenyl)acetic acid, 2-(4-phenoxyphenyl)acetic acid, Benzeneacetic acid, 4-phenoxy-, 4-Phenoxybenzeneacetic acid, 4-Phenoxyphenylethanoic acid

4-Phenoxyphenylacetic acid (CAS 6328-74-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H12O3 and a molecular weight of 228.243 g/mol. Key properties include a melting point of 72-79 °C, a boiling point of 382.3±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 146.0±16.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6328-74-1
Jingsj CID: J-42982-3
Molecular Formula: C₁₄H₁₂O₃
Molecular Weight: 228.243 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	72-79 °C
Boiling Point	382.3±25.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	146.0±16.7 °C
Exact Mass	228.078644
PSA	46.53000
LogP	3.50
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.596

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

H302 — Harmful if swallowed
H317 — May cause an allergic skin reaction
H318 — Causes serious eye damage
H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Phenoxyphenylacetic acid?

The CAS number of 4-Phenoxyphenylacetic acid is 6328-74-1.

What are the molecular formula and molecular weight of 4-Phenoxyphenylacetic acid?

4-Phenoxyphenylacetic acid has molecular formula C14H12O3 and molecular weight 228.243 g/mol.

Is 4-Phenoxyphenylacetic acid hazardous?

4-Phenoxyphenylacetic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.

What are the upstream and downstream products of 4-Phenoxyphenylacetic acid?

For 4-Phenoxyphenylacetic acid, Upstream Products: 4-Phenoxyphenylacetonitrile, Bromobenzene, Methyl 4-hydroxyphenylacetate; Downstream Products: (p-Phenoxyphenyl)acetic acid ethyl ester, 4-Phenoxyphenylacetonitrile.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Phenoxyphenylacetic acid (CAS 6328-74-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42982-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.