3-(3-Chlorophenyl)propanoic acid
Also known as: 3-(3-Chlorophenyl)propionic acid, Benzenepropanoic acid, 3-chloro-, m-Chlorohydrocinnamic acid, 3-Chlorohydrocinnamic acid, 3-(3-Chlorophenyl)propanoic acid, 3-Chlorobenzenepropanoic acid
3-(3-Chlorophenyl)propanoic acid (CAS 21640-48-2) 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 72-76 °C(lit.), a boiling point of 306.6±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 139.2±20.9 °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.
- 21640-48-2
- Jingsj CID
- J-4894-2
- Molecular Formula
- C9H9ClO2
- Molecular Weight
- 184.620 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72-76 °C(lit.) |
|---|---|
| Boiling Point | 306.6±17.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 139.2±20.9 °C |
| Exact Mass | 184.029114 |
| PSA | 37.30000 |
| LogP | 2.43 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.559 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
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 3-(3-Chlorophenyl)propanoic acid?
The CAS number of 3-(3-Chlorophenyl)propanoic acid is 21640-48-2.
What are the molecular formula and molecular weight of 3-(3-Chlorophenyl)propanoic acid?
3-(3-Chlorophenyl)propanoic acid has molecular formula C9H9ClO2 and molecular weight 184.620 g/mol.
Is 3-(3-Chlorophenyl)propanoic acid hazardous?
3-(3-Chlorophenyl)propanoic 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 3-(3-Chlorophenyl)propanoic acid?
For 3-(3-Chlorophenyl)propanoic acid, Upstream Products: 3-Chlorobenzaldehyde, 3-Chlorocinnamic acid, 3-Chlorotoluene; Downstream Products: Indoline, 5-Chloro-1-indanone, 1-Methyl-1,2,3,4-tetrahydroquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(3-Chlorophenyl)propanoic acid (CAS 21640-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4894-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.