6-amino-7-hydroxynaphthalene-2-sulfonic acid
Also known as: 6-amino-7-hydroxynaphthalene-2-sulphonic acid, 6-amino-7-hydroxy-2-naphthalenesulfonic acid, 2-Naphthalenesulfonic acid, 6-amino-7-hydroxy-, 2-amino-3-hydroxy-6-sulpho-naphthalene, 3-Amino-naphthol-(2)-sulfonsaeure-(7), 6-amino-7-hydroxy-2-naphthalenesulphonic acid, 6-amino-7-hydroxy-naphthalene-2-sulfonic acid, EINECS 229-011-0
6-amino-7-hydroxynaphthalene-2-sulfonic acid (CAS 6399-72-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO4S and a molecular weight of 239.24800 g/mol. Key property: a density of 1.627g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6399-72-0
- Jingsj CID
- J-1161530-8
- Molecular Formula
- C10H9NO4S
- Molecular Weight
- 239.24800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.627g/cm3 |
|---|---|
| Exact Mass | 239.02500 |
| PSA | 109.00000 |
| LogP | 3.03630 |
| Refractive Index | 1.748 |
Customs & Trade Information
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 6-amino-7-hydroxynaphthalene-2-sulfonic acid?
The CAS number of 6-amino-7-hydroxynaphthalene-2-sulfonic acid is 6399-72-0.
What are the molecular formula and molecular weight of 6-amino-7-hydroxynaphthalene-2-sulfonic acid?
6-amino-7-hydroxynaphthalene-2-sulfonic acid has molecular formula C10H9NO4S and molecular weight 239.24800 g/mol.
What are the upstream and downstream products of 6-amino-7-hydroxynaphthalene-2-sulfonic acid?
For 6-amino-7-hydroxynaphthalene-2-sulfonic acid, Upstream Products: 6,7-Dihydroxynaphthalene-2-sulfonic acid, 3-hydroxynaphthalene-2,7-disulfonic acid; Downstream Products: 2,3-Naphthalenediol.
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-amino-7-hydroxynaphthalene-2-sulfonic acid (CAS 6399-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1161530-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.