1-Amino-2-naphthol-4-sulfonic acid
Also known as: 4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 4-Amino-3-hydroxynaphthalene-1-sulfonic acid, 1,2,4-Acid, 1-Naphthalenesulfonic acid, 4-amino-3-hydroxy-, 3-Hydroxynaphthionic acid
1-Amino-2-naphthol-4-sulfonic acid (CAS 116-63-2) 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 239.248 g/mol. Key properties include a melting point of 295ºC, a boiling point of 466ºC and a density of 1.6±0.1 g/cm3. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 116-63-2
- Jingsj CID
- J-1107256-3
- Molecular Formula
- C10H9NO4S
- Molecular Weight
- 239.248 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 295ºC |
|---|---|
| Boiling Point | 466ºC |
| Density | 1.6±0.1 g/cm3 |
| Exact Mass | 239.025223 |
| PSA | 109.00000 |
| LogP | -0.92 |
| Refractive Index | 1.748 |
| Additional Property | insoluble |
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-2-naphthol-4-sulfonic acid?
The CAS number of 1-Amino-2-naphthol-4-sulfonic acid is 116-63-2.
What are the molecular formula and molecular weight of 1-Amino-2-naphthol-4-sulfonic acid?
1-Amino-2-naphthol-4-sulfonic acid has molecular formula C10H9NO4S and molecular weight 239.248 g/mol.
Which suppliers offer 1-Amino-2-naphthol-4-sulfonic acid?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of 1-Amino-2-naphthol-4-sulfonic acid?
For 1-Amino-2-naphthol-4-sulfonic acid, Upstream Products: 1-Nitroso-2-naphthol, 4-Amino-1-naphthalenesulfonic acid, 1-Naphthylamine; Downstream Products: 1-Diazo-2-naphthol-4-sulfonic acid, 1-Amino-2-naphthol, Naphth[1,2-d][1,2,3]oxadiazole-5-sulfonic acid.
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-2-naphthol-4-sulfonic acid (CAS 116-63-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1107256-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.