3-(Chlorosulfonyl)benzoic acid
Also known as: 3-(Chlorosulfonyl)benzoic acid, 3-(chlorosulphonyl)benzoic acid, 3-carboxybenzenesulfonyl chloride, m-(chlorosulfonyl)benzoic acid, 3-carboxyphenylsulfonyl chloride, m-chlorosulfonylbenzoic acid, NSC 23778, NSC 44616
3-(Chlorosulfonyl)benzoic acid (CAS 4025-64-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO4S and a molecular weight of 220.630 g/mol. Key properties include a melting point of 128-130 °C(lit.), a boiling point of 402.5±28.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 197.2±24.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4025-64-3
- Jingsj CID
- J-28776-3
- Molecular Formula
- C7H5ClO4S
- Molecular Weight
- 220.630 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128-130 °C(lit.) |
|---|---|
| Boiling Point | 402.5±28.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 197.2±24.0 °C |
| Exact Mass | 219.959702 |
| PSA | 79.82000 |
| LogP | 2.06 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.588 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and 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-(Chlorosulfonyl)benzoic acid?
The CAS number of 3-(Chlorosulfonyl)benzoic acid is 4025-64-3.
What are the molecular formula and molecular weight of 3-(Chlorosulfonyl)benzoic acid?
3-(Chlorosulfonyl)benzoic acid has molecular formula C7H5ClO4S and molecular weight 220.630 g/mol.
Is 3-(Chlorosulfonyl)benzoic acid hazardous?
3-(Chlorosulfonyl)benzoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 3-(Chlorosulfonyl)benzoic acid?
For 3-(Chlorosulfonyl)benzoic acid, Upstream Products: benzoic acid, Chlorosulfonic acid, Benzoyl chloride; Downstream Products: 3-[(Methylamino)sulfonyl]benzoic acid, 3-(Chlorosulfonyl)benzoyl chloride, 3-Cyanobenzenesulfonyl chloride.
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-(Chlorosulfonyl)benzoic acid (CAS 4025-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28776-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.