3-hydroxynaphthalene-2,7-disulfonic acid
Also known as: 2-naphthol-3,6-disulfonic acid, 2-hydroxynaphthalene-3,6-disulfonic acid, 3-hydroxy-2,7-naphthalenedisulfonic acid, 2,7-naphthalenedisulfonic acid, 3-hydroxy-
3-hydroxynaphthalene-2,7-disulfonic acid (CAS 148-75-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O7S2 and a molecular weight of 304.29600 g/mol. Key properties include a boiling point of 415.13°C (rough estimate) and a density of 1.816g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 148-75-4
- Jingsj CID
- J-9772-5
- Molecular Formula
- C10H8O7S2
- Molecular Weight
- 304.29600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 415.13°C (rough estimate) |
|---|---|
| Density | 1.816g/cm3 |
| Exact Mass | 303.97100 |
| PSA | 145.73000 |
| LogP | 3.20040 |
| Refractive Index | 1.725 |
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 3-hydroxynaphthalene-2,7-disulfonic acid?
The CAS number of 3-hydroxynaphthalene-2,7-disulfonic acid is 148-75-4.
What are the molecular formula and molecular weight of 3-hydroxynaphthalene-2,7-disulfonic acid?
3-hydroxynaphthalene-2,7-disulfonic acid has molecular formula C10H8O7S2 and molecular weight 304.29600 g/mol.
What are the upstream and downstream products of 3-hydroxynaphthalene-2,7-disulfonic acid?
For 3-hydroxynaphthalene-2,7-disulfonic acid, Upstream Products: 2-Naphthol, 6-Hydroxynaphthalene-2-sulfonic acid; Downstream Products: 2,3-Naphthalenediol, 6,7-Dihydroxynaphthalene-2-sulfonic acid, 6-Hydroxynaphthalene-2-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. "3-hydroxynaphthalene-2,7-disulfonic acid (CAS 148-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9772-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.