5-Aminonaphthalene-2-sulfonic acid
5-氨基-2-萘磺酸
Also known as: 1,6-Cleve's acid, 1-Aminonaphthalene-6-sulfonic acid, 1-Naphthylamine-6-sulfonic acid, 5-Amino-2-naphthalenesulfonic acid, 1-Naphthalene-6-sulfonic acid, 1-amino-6-naphthalenesulfonic acid, 1-naphthylamine-6-sulfonic, 2-Naphthalenesulfonic acid, 5-amino-, 5-Naphthylamine-2-sulfonic acid, 5-aminonaphthalene-2-sulfonic acid, Cleve's beta-acid
5-Aminonaphthalene-2-sulfonic acid (CAS 119-79-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO3S and a molecular weight of 223.248 g/mol. It is also known as 1,6-Cleve's acid, 1-Aminonaphthalene-6-sulfonic acid and 1-Naphthylamine-6-sulfonic acid. Key properties include a melting point of >300°C and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 119-79-9
- Jingsj CID
- J-1004103-9
- Molecular Formula
- C10H9NO3S
- Chinese Name
- 5-氨基-2-萘磺酸
- Molecular Weight
- 223.248 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300°C |
|---|---|
| Density | 1.5±0.1 g/cm3 |
Frequently Asked Questions
What is the CAS number of 5-Aminonaphthalene-2-sulfonic acid?
The CAS number of 5-Aminonaphthalene-2-sulfonic acid is 119-79-9.
What are the molecular formula and molecular weight of 5-Aminonaphthalene-2-sulfonic acid?
5-Aminonaphthalene-2-sulfonic acid has molecular formula C10H9NO3S and molecular weight 223.248 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Aminonaphthalene-2-sulfonic acid (CAS 119-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1004103-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.