4-Chlorobenzoic acid
Also known as: p-Chlorobenzoic acid, PCBA, 4-Cl-PhCOOH, p-Carboxychlorobenzene, Chlorodracylic acid, Benzoic acid, 4-chloro-, Benzoic acid, p-chloro-, Acemetacin Impurity 1, Indometacin EP Impurity A, Indomethacin EP Impurity A, Indomethacin USP RC B, Mycosid, UNII-IC7888DF4L, para-Chlorobenzoic acid, 4-CHLORO BENZOIC ACID, 4-Chlorobenzoicacid, MFCD00002531, RARECHEM AL BO 0054, EINECS 200-805-9
4-Chlorobenzoic acid (CAS 74-11-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO2 and a molecular weight of 156.566 g/mol. Key properties include a melting point of 238-241 °C(lit.), a boiling point of 287.2±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 127.5±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74-11-3
- Jingsj CID
- J-1354537-4
- Molecular Formula
- C7H5ClO2
- Molecular Weight
- 156.566 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 238-241 °C(lit.) |
|---|---|
| Boiling Point | 287.2±13.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 127.5±19.8 °C |
| Exact Mass | 155.997803 |
| PSA | 37.30000 |
| LogP | 2.65 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.583 |
| Additional Property | soluble in hot water |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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-Chlorobenzoic acid?
The CAS number of 4-Chlorobenzoic acid is 74-11-3.
What are the molecular formula and molecular weight of 4-Chlorobenzoic acid?
4-Chlorobenzoic acid has molecular formula C7H5ClO2 and molecular weight 156.566 g/mol.
Is 4-Chlorobenzoic acid hazardous?
4-Chlorobenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 4-Chlorobenzoic acid?
For 4-Chlorobenzoic acid, Downstream Products: 4-Fluoro-2-methylbenzoic acid, 4-Chloro-3-nitrobenzoyl chloride, 4-Chlorosalicylic acid.
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-Chlorobenzoic acid (CAS 74-11-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354537-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.