3-Chlorobenzoic acid
Also known as: 3-Chlorobenzoic acid, m-Chlorobenzoic acid, meta-Chlorobenzoic acid, Benzoic acid, 3-chloro-, Benzoic acid, m-chloro-, MFCD00002491, UNII-02UOJ7064K, EINECS 208-618-4
3-Chlorobenzoic acid (CAS 535-80-8) 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 153-157 °C(lit.), a boiling point of 281.3±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 123.9±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 535-80-8
- Jingsj CID
- J-11364-4
- 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 | 153-157 °C(lit.) |
|---|---|
| Boiling Point | 281.3±13.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 123.9±19.8 °C |
| Exact Mass | 155.997803 |
| PSA | 37.30000 |
| LogP | 2.90 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.583 |
| Additional Property | <0.1 g/100 mL at 19.5 ºC |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Chlorobenzoic acid?
The CAS number of 3-Chlorobenzoic acid is 535-80-8.
What are the molecular formula and molecular weight of 3-Chlorobenzoic acid?
3-Chlorobenzoic acid has molecular formula C7H5ClO2 and molecular weight 156.566 g/mol.
Is 3-Chlorobenzoic acid hazardous?
3-Chlorobenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Chlorobenzoic acid?
For 3-Chlorobenzoic acid, Upstream Products: 3-Chlorotoluene, Methanol, 1-Bromo-3-chlorobenzene; Downstream Products: 5-Chloro-2-nitrobenzoic acid, 3-Chloro-2-nitrobenzoic acid, 3-Phenoxybenzoic 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. "3-Chlorobenzoic acid (CAS 535-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11364-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.