Skip to main content
Jingsj
.mol.sdf

7-hydroxynaphthalene-2-sulphonic acid

Also known as: 2-Naphthol-7-sulfonic acid, 2-Hydroxynaphthalene-7-sulfonic acid, 2-Hydroxy-7-naphthalenesulfonic acid, 2-Hydroxynaphthlene-7-sulfonic acid, 7-Hydroxynaphthalene-2-sulfonic acid, 7-hydroxy-2-naphthosulfonic acid, 7-hydroxy-naphthalene-2-sulfonic acid, 7-hydroxynaphthalene-2-sulphonic acid, 2-Naphthalenesulfonic acid, 7-hydroxy-, F acid, 7-Hydroxy-naphthalin-2-sulfonsaeure

7-hydroxynaphthalene-2-sulphonic acid (CAS 92-40-0) 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 property: a density of 1.549g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
92-40-0
Jingsj CID
J-1510831-3
Molecular Formula
C10H8O4S
Molecular Weight
224.23300 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density1.549g/cm3
Exact Mass224.01400
PSA82.98000
LogP2.87290
Refractive Index1.703

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 7-hydroxynaphthalene-2-sulphonic acid?

The CAS number of 7-hydroxynaphthalene-2-sulphonic acid is 92-40-0.

What are the molecular formula and molecular weight of 7-hydroxynaphthalene-2-sulphonic acid?

7-hydroxynaphthalene-2-sulphonic acid has molecular formula C10H8O4S and molecular weight 224.23300 g/mol.

What are the upstream and downstream products of 7-hydroxynaphthalene-2-sulphonic acid?

For 7-hydroxynaphthalene-2-sulphonic acid, Upstream Products: 2-Naphthol, Naphthalene-2,7-disulfonic acid, Naphthalene; Downstream Products: 2,7-Dihydroxynaphthalene, 2-Naphthol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "7-hydroxynaphthalene-2-sulphonic acid (CAS 92-40-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510831-3 (accessed 2026-11-09).

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