6-Hydroxynaphthalene-2-sulfonic acid
Also known as: 2-Naphthol-6-sulfonic acid, 2-Hydroxy-6-naphthalenesulfonic acid, Schaeffer's acid, 6-Hydroxy-2-naphthalenesulfonic acid, beta-Naphthol-6-sulfonic acid, 2-hydroxy-6-sulphonaphthalene, Baum's acid
6-Hydroxynaphthalene-2-sulfonic acid (CAS 93-01-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O4S and a molecular weight of 224.23300 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 335.63℃(rough estimate) and a density of 1.549 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 93-01-6
- Jingsj CID
- J-26806-4
- Molecular Formula
- C10H8O4S
- Molecular Weight
- 224.23300 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 335.63℃(rough estimate) |
| Density | 1.549 g/cm3 |
| Exact Mass | 224.01400 |
| PSA | 82.98000 |
| LogP | 2.87290 |
| Refractive Index | 1.703 |
Customs & Trade Information
| HS Code | 2908999090 |
|---|---|
| Summary | 2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 6-Hydroxynaphthalene-2-sulfonic acid?
The CAS number of 6-Hydroxynaphthalene-2-sulfonic acid is 93-01-6.
What are the molecular formula and molecular weight of 6-Hydroxynaphthalene-2-sulfonic acid?
6-Hydroxynaphthalene-2-sulfonic acid has molecular formula C10H8O4S and molecular weight 224.23300 g/mol.
What are the upstream and downstream products of 6-Hydroxynaphthalene-2-sulfonic acid?
For 6-Hydroxynaphthalene-2-sulfonic acid, Upstream Products: 2-Naphthalenesulfonic acid, 5-amino-6-ethoxy-, 2-Naphthol, Chloroethane; Downstream Products: 6-Amino-2-naphthalenesulfonic acid, 6-hydroxy-5-(2-phenyldiazenyl)-2-naphthalenesulfonic acid, 2,6-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-Hydroxynaphthalene-2-sulfonic acid (CAS 93-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26806-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.