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6,7-Dihydroxynaphthalene-2-sulfonic acid

Also known as: 2,3-Dihydroxynaphthalene-6-sulfonic acid, 2-Naphthalenesulfonic acid, 6,7-dihydroxy-, 2-sulfo-6,7-dihydroxynaphthalene, 6,7-Dihydroxynaphthalene-2-sulphonic acid, 6,7-DiOH-2-naphthalenesulfonic acid

6,7-Dihydroxynaphthalene-2-sulfonic acid (CAS 92-27-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O5S and a molecular weight of 240.23300 g/mol. Key property: a density of 1.677 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
92-27-3
Jingsj CID
J-1516693-5
Molecular Formula
C10H8O5S
Molecular Weight
240.23300 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.677 g/cm3
Exact Mass240.00900
PSA103.21000
LogP2.57850

Customs & Trade Information

HS Code2908999090
Summary2908999090 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 6,7-Dihydroxynaphthalene-2-sulfonic acid?

The CAS number of 6,7-Dihydroxynaphthalene-2-sulfonic acid is 92-27-3.

What are the molecular formula and molecular weight of 6,7-Dihydroxynaphthalene-2-sulfonic acid?

6,7-Dihydroxynaphthalene-2-sulfonic acid has molecular formula C10H8O5S and molecular weight 240.23300 g/mol.

What are the upstream and downstream products of 6,7-Dihydroxynaphthalene-2-sulfonic acid?

For 6,7-Dihydroxynaphthalene-2-sulfonic acid, Upstream Products: 3-hydroxynaphthalene-2,7-disulfonic acid, Carbon tetrachloride; Downstream Products: 6-amino-7-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. "6,7-Dihydroxynaphthalene-2-sulfonic acid (CAS 92-27-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516693-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.