2-Nitrobenzenesulfonic acid
2-硝基苯磺酸
Also known as: Nitrobenzenesulfonic acid, Benzenesulfonic acid, 2-nitro-, Benzenesulfonic acid, nitro-, o-Nitrobenzenesulfonic acid, 2-nitrobenzene-1-sulfonic acid
2-Nitrobenzenesulfonic acid (CAS 31212-28-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO5S and a molecular weight of 203.17300 g/mol. It is also known as Nitrobenzenesulfonic acid, Benzenesulfonic acid, 2-nitro- and Benzenesulfonic acid, nitro-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31212-28-9
- Jingsj CID
- J-1377104-3
- Molecular Formula
- C6H5NO5S
- Chinese Name
- 2-硝基苯磺酸
- Molecular Weight
- 203.17300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 2-Nitrobenzenesulfonic acid?
The CAS number of 2-Nitrobenzenesulfonic acid is 31212-28-9.
What are the molecular formula and molecular weight of 2-Nitrobenzenesulfonic acid?
2-Nitrobenzenesulfonic acid has molecular formula C6H5NO5S and molecular weight 203.17300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Nitrobenzenesulfonic acid (CAS 31212-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377104-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.