3-sulfobenzoic acid
Also known as: m-Carboxybenzenesulfonic acid, 3-sulphobenzoic acid, 3-sulfo-benzoic acid, m-sulfobenzoic acid, meta-sulfobenzoic acid, 3-carboxybenzenesulfonic acid, EINECS 204-478-3, Benzoic acid, 3-sulfo-
3-sulfobenzoic acid (CAS 121-53-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6O5S and a molecular weight of 202.18500 g/mol. Key property: a density of 1.62g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 121-53-9
- Jingsj CID
- J-1990108-7
- Molecular Formula
- C7H6O5S
- Molecular Weight
- 202.18500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.62g/cm3 |
|---|---|
| Exact Mass | 201.99400 |
| PSA | 100.05000 |
| LogP | 1.71230 |
| Refractive Index | 1.612 |
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-sulfobenzoic acid?
The CAS number of 3-sulfobenzoic acid is 121-53-9.
What are the molecular formula and molecular weight of 3-sulfobenzoic acid?
3-sulfobenzoic acid has molecular formula C7H6O5S and molecular weight 202.18500 g/mol.
What are the upstream and downstream products of 3-sulfobenzoic acid?
For 3-sulfobenzoic acid, Upstream Products: 3-(Chlorosulfonyl)benzoic acid, 2-(Chlorosulfonyl)benzoic acid, Benzoyl chloride; Downstream Products: 3-(Chlorosulfonyl)benzoyl chloride, 3-(Chlorosulfonyl)benzoic acid, 3-Chlorobenzotrichloride.
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-sulfobenzoic acid (CAS 121-53-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990108-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.