4-chloro-3-(chlorosulfonyl)benzoic acid
Also known as: 4-Chloro-3-chlorosulfonylbenzoic acid, 3-(Chlorosulfonyl)-4-chlorobenzoic acid, Benzoic acid, 4-chloro-3-(chlorosulfonyl)-, 4-chloro-3-(chlorosulphonyl)benzoic acid, AKOS BBS-00007002
4-chloro-3-(chlorosulfonyl)benzoic acid (CAS 2494-79-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O4S and a molecular weight of 255.075 g/mol. Key properties include a boiling point of 432.4±35.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 215.3±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2494-79-3
- Jingsj CID
- J-1516022-2
- Molecular Formula
- C7H4Cl2O4S
- Molecular Weight
- 255.075 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 432.4±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 215.3±25.9 °C |
| Exact Mass | 253.920731 |
| PSA | 79.82000 |
| LogP | 2.58 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.600 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- 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 4-chloro-3-(chlorosulfonyl)benzoic acid?
The CAS number of 4-chloro-3-(chlorosulfonyl)benzoic acid is 2494-79-3.
What are the molecular formula and molecular weight of 4-chloro-3-(chlorosulfonyl)benzoic acid?
4-chloro-3-(chlorosulfonyl)benzoic acid has molecular formula C7H4Cl2O4S and molecular weight 255.075 g/mol.
Is 4-chloro-3-(chlorosulfonyl)benzoic acid hazardous?
4-chloro-3-(chlorosulfonyl)benzoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 4-chloro-3-(chlorosulfonyl)benzoic acid?
For 4-chloro-3-(chlorosulfonyl)benzoic acid, Upstream Products: 4-Chlorobenzoic acid, 4-Chlorobenzoyl chloride, 4-Chlorobenzotrichloride; Downstream Products: 3,4-Difluorobenzoic acid, 3,4-Difluorobenzamide, 3,4-Difluorobenzonitrile.
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-chloro-3-(chlorosulfonyl)benzoic acid (CAS 2494-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516022-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.