5-Hydroxypyridine-2-sulfonic acid
5-羟基吡啶-2-磺酸
Also known as: 2-Pyridinesulfonic acid, 5-hydroxy-, 5-hydroxy-2-pyridinesulfonic acid, 5-Hydroxypyridine-2-sulfonic acid
5-Hydroxypyridine-2-sulfonic acid (CAS 139263-48-2) 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. It is also known as 2-Pyridinesulfonic acid, 5-hydroxy- and 5-hydroxy-2-pyridinesulfonic acid. Key property: a density of 1.686g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139263-48-2
- Jingsj CID
- J-1519355-9
- Molecular Formula
- C5H5NO4S
- Chinese Name
- 5-羟基吡啶-2-磺酸
- 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 | 1.686g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 5-Hydroxypyridine-2-sulfonic acid?
The CAS number of 5-Hydroxypyridine-2-sulfonic acid is 139263-48-2.
What are the molecular formula and molecular weight of 5-Hydroxypyridine-2-sulfonic acid?
5-Hydroxypyridine-2-sulfonic acid has molecular formula C5H5NO4S and molecular weight 175.16200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Hydroxypyridine-2-sulfonic acid (CAS 139263-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519355-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.