Naphthalene-2,7-disulfonic acid
Also known as: 2,7-Naphthalenedisulfonic acid, Ebert-Merz α-acid, Naphthalin-2,7-disulfonsaeure, naphthalene-2,7-disulphonic acid
Naphthalene-2,7-disulfonic acid (CAS 92-41-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O6S2 and a molecular weight of 288.29700 g/mol. Key properties include a melting point of 80-84 °C(lit.) and a density of 1.704 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 92-41-1
- Jingsj CID
- J-23970-3
- Molecular Formula
- C10H8O6S2
- Molecular Weight
- 288.29700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 80-84 °C(lit.) |
|---|---|
| Density | 1.704 g/cm3 |
| Exact Mass | 287.97600 |
| PSA | 125.50000 |
| LogP | 3.49480 |
| Refractive Index | 1.695 |
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。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 Naphthalene-2,7-disulfonic acid?
The CAS number of Naphthalene-2,7-disulfonic acid is 92-41-1.
What are the molecular formula and molecular weight of Naphthalene-2,7-disulfonic acid?
Naphthalene-2,7-disulfonic acid has molecular formula C10H8O6S2 and molecular weight 288.29700 g/mol.
What are the upstream and downstream products of Naphthalene-2,7-disulfonic acid?
For Naphthalene-2,7-disulfonic acid, Upstream Products: Naphthalene, Naphthalene-2-sulfonic acid, 1,5-Naphthalenedisulfonic acid; Downstream Products: 2,7-Dibromonaphthalene, 1-Naphthol-3,6-disulfonic acid, 1-Amino-8-hydroxynaphthalene-3,6-disulphonic 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. "Naphthalene-2,7-disulfonic acid (CAS 92-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23970-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.