2,4-dichloro-5-(chlorosulfonyl)benzoic acid
Also known as: 2,4-dichloro-5-(chlorosulphonyl)benzoic acid, 2,4-dichloro-5-chlorosulfonylbenzoic acid, 2,4-dichloro-5-chlorosulfonyl benzoic acid, 5-chlorosulfonyl-2,4-dichlorobenzoic acid, Benzoic acid, 2,4-dichloro-5-(chlorosulfonyl)-, 2,4-Dichlor-5-carboxybenzolsulfochlorid, 2,4-Dichlor-5-chlorsulfonyl-benzoesaeure, 3-carboxy-4,6-dichlorobenzenesulfonyl chloride
2,4-dichloro-5-(chlorosulfonyl)benzoic acid (CAS 3740-18-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl3O4S and a molecular weight of 289.52000 g/mol. Key properties include a boiling point of 430.5ºC at 760 mmHg, a density of 1.781g/cm3 and a flash point of 214.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3740-18-9
- Jingsj CID
- J-1356008-2
- Molecular Formula
- C7H3Cl3O4S
- Molecular Weight
- 289.52000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 430.5ºC at 760 mmHg |
|---|---|
| Density | 1.781g/cm3 |
| Flash Point | 214.2ºC |
| Exact Mass | 287.88200 |
| PSA | 79.82000 |
| LogP | 3.69990 |
| Refractive Index | 1.609 |
| Storage Conditions | 2-8°C |
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 2,4-dichloro-5-(chlorosulfonyl)benzoic acid?
The CAS number of 2,4-dichloro-5-(chlorosulfonyl)benzoic acid is 3740-18-9.
What are the molecular formula and molecular weight of 2,4-dichloro-5-(chlorosulfonyl)benzoic acid?
2,4-dichloro-5-(chlorosulfonyl)benzoic acid has molecular formula C7H3Cl3O4S and molecular weight 289.52000 g/mol.
What are the upstream and downstream products of 2,4-dichloro-5-(chlorosulfonyl)benzoic acid?
For 2,4-dichloro-5-(chlorosulfonyl)benzoic acid, Upstream Products: 2,4-Dichlorobenzoic acid, Chlorosulfonic acid; Downstream Products: 2,4-Dichloro-5-sulfamoylbenzoic acid, 2,4-dichloro-5-(piperidin-1-ylsulfonyl)benzoic 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. "2,4-dichloro-5-(chlorosulfonyl)benzoic acid (CAS 3740-18-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356008-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.