4-Sulfobenzoic acid monopotassium salt
Also known as: 4-Sulfobenzoic acid monopotassium salt, 4-Sulfobenzoic acid, potassium salt, Monopotassium 4-sulfobenzoate, Monopotassium p-sulfobenzoate, Potassium 4-carboxybenzenesulfonate, Potassium 4-sulfobenzoate, Potassium hydrogen 4-sulphonatobenzoate, p-Carboxybenzenesulfonic acid potassium salt, p-Sulfobenzoic acid potassium salt, Potassium p-sulfobenzoate, 4-Sulfobenzoic acid potassium salt, MFCD00007509, EINECS 226-435-8
4-Sulfobenzoic acid monopotassium salt (CAS 5399-63-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5KO5S and a molecular weight of 240.27500 g/mol. Key property: a density of 1.62g/cm3. 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.
- 5399-63-3
- Jingsj CID
- J-37821-2
- Molecular Formula
- C7H5KO5S
- Molecular Weight
- 240.27500 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 | 239.94900 |
| PSA | 102.88000 |
| LogP | 1.36970 |
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 4-Sulfobenzoic acid monopotassium salt?
The CAS number of 4-Sulfobenzoic acid monopotassium salt is 5399-63-3.
What are the molecular formula and molecular weight of 4-Sulfobenzoic acid monopotassium salt?
4-Sulfobenzoic acid monopotassium salt has molecular formula C7H5KO5S and molecular weight 240.27500 g/mol.
Is 4-Sulfobenzoic acid monopotassium salt hazardous?
4-Sulfobenzoic acid monopotassium salt has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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-Sulfobenzoic acid monopotassium salt (CAS 5399-63-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37821-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.