1-Amino-8-naphthol-4-sulfonic acid
Also known as: 4-Amino-5-hydroxynaphthalene-1-sulfonic acid, 1-Amino-8-naphthol-4-sulfonic acid, 8-Amino-1-naphthol-5-sulfonic acid, 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-
1-Amino-8-naphthol-4-sulfonic acid (CAS 83-64-7) 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 83-64-7
- Jingsj CID
- J-1993387-0
- 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
| Exact Mass | 239.02500 |
|---|---|
| PSA | 109.00000 |
| LogP | 3.03630 |
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 1-Amino-8-naphthol-4-sulfonic acid?
The CAS number of 1-Amino-8-naphthol-4-sulfonic acid is 83-64-7.
What are the molecular formula and molecular weight of 1-Amino-8-naphthol-4-sulfonic acid?
1-Amino-8-naphthol-4-sulfonic acid has molecular formula C10H9NO4S and molecular weight 239.24800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Amino-8-naphthol-4-sulfonic acid (CAS 83-64-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993387-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.