2-(4-Chlorophenyl)propanoic acid

Also known as: 2-(4-Chlorophenyl)propionic acid, 4-Chloro-α-methylphenylacetic acid, 4-Chloro-alpha-methylphenylacetic acid, 4-Chloro-α-methylbenzeneacetic acid, 4-Chloro-α-methylbenzeneacetic acid, DL-2-(4-Chlorophenyl)propanoic acid, (R,S)-2-(4'-chlorophenyl) propionic acid, (R,S)-2-(p-chlorophenyl)-propionic acid, dl-4-chloro-α-methylphenylacetic acid, rac-(R*)-2-(4-Chlorophenyl)propanoic acid, rac-(R*)-2-(4-Chlorophenyl)propionic acid, rac-(R*)-α-Methyl-4-chlorobenzeneacetic acid, Benzeneacetic acid, 4-chloro-α-methyl-, Hydratropic acid, p-chloro-

2-(4-Chlorophenyl)propanoic acid (CAS 938-95-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO2 and a molecular weight of 184.620 g/mol. Key properties include a melting point of 57-61 °C, a boiling point of 297.4±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 133.6±20.4 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

938-95-4

Jingsj CID

J-32993-1

Molecular Formula

C₉H₉ClO₂

Molecular Weight

184.620 g/mol

Category

Organic Acids

Last updated

8/21/2026