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1-naphthol-4-sulfonic acid sodium salt

Also known as: sodium 4-hydroxynaphthalene-1-sulfonate, 4-Hydroxy-1-naphthalenesulfonic Acid Sodium Salt, Neville Winther Acid, NW Acid, Sodium 1-Naphthol-4-sulfonate, 1-Hydroxy-4-sulfonaphthalene sodium salt, Sodium 4-Hydroxy-1-naphthalenesulfonate, Neville-Winther acid sodium salt, MFCD00021518, EINECS 228-050-0

1-naphthol-4-sulfonic acid sodium salt (CAS 6099-57-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7NaO4S and a molecular weight of 246.21500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6099-57-6
Jingsj CID
J-27289-9
Molecular Formula
C10H7NaO4S
Molecular Weight
246.21500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass245.99600
PSA85.81000
LogP2.53030

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 1-naphthol-4-sulfonic acid sodium salt?

The CAS number of 1-naphthol-4-sulfonic acid sodium salt is 6099-57-6.

What are the molecular formula and molecular weight of 1-naphthol-4-sulfonic acid sodium salt?

1-naphthol-4-sulfonic acid sodium salt has molecular formula C10H7NaO4S and molecular weight 246.21500 g/mol.

What are the upstream and downstream products of 1-naphthol-4-sulfonic acid sodium salt?

For 1-naphthol-4-sulfonic acid sodium salt, Upstream Products: Sodium 4-amino-1-naphthalenesulfonate, 4-Chloro-1-naphthol; Downstream Products: 2-Diazo-1-naphthol-4-sulfonyl chloride, Benzoazurine, 2-Diazo-1-naphthol-4-sulfonic acid sodium salt.

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

Last updated:

How to cite: Jingsj. "1-naphthol-4-sulfonic acid sodium salt (CAS 6099-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27289-9 (accessed 2026-11-09).

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