6-Hydroxypyridine-3-sulfonic acid
Also known as: 6-HYDROXYPYRIDINE-3-SULFONIC ACID, 6-HYDROXY-3-PYRIDINESULPHONIC ACID, 6-Hydroxy-3-pyridinesulfonic acid, 6-Hydroxy-3-pyridinesulphonic acid, 1,6-Dihydro-6-oxo-3-pyridinesulfonic acid, 3-Pyridinesulfonic acid, 1,6-dihydro-6-oxo-, 6-oxo-1H-pyridine-3-sulfonic acid, 6-oxo-1H-pyridine-3-sulfonicaci, AKOS BBS-00001377, 6-Hydroxy-pyridin-3-sulfonsaeure
6-Hydroxypyridine-3-sulfonic acid (CAS 6684-46-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO4S and a molecular weight of 175.16200 g/mol. Key property: a density of 1.71g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6684-46-4
- Jingsj CID
- J-1447418-1
- Molecular Formula
- C5H5NO4S
- Molecular Weight
- 175.16200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.71g/cm3 |
|---|---|
| Exact Mass | 174.99400 |
| PSA | 95.87000 |
| LogP | 1.11470 |
| Refractive Index | 1.643 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 6-Hydroxypyridine-3-sulfonic acid?
The CAS number of 6-Hydroxypyridine-3-sulfonic acid is 6684-46-4.
What are the molecular formula and molecular weight of 6-Hydroxypyridine-3-sulfonic acid?
6-Hydroxypyridine-3-sulfonic acid has molecular formula C5H5NO4S and molecular weight 175.16200 g/mol.
What are the upstream and downstream products of 6-Hydroxypyridine-3-sulfonic acid?
For 6-Hydroxypyridine-3-sulfonic acid, Downstream Products: 6-Chloropyridine-3-sulfonamide, 6-Chloro-3-pyridinesulfonyl chloride, 6-Chloropyridine-3-sulfonic 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. "6-Hydroxypyridine-3-sulfonic acid (CAS 6684-46-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447418-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.