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CAS 6099-57-6

CAS 6099-57-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 6099-57-6
CAS 6099-57-6PubChem CID 4626046

Sodium 1-naphthol-4-sulfonate

IUPAC name
sodium 4-hydroxynaphthalene-1-sulfonate
Molecular formula
C10H7NaO4S
Molecular weight
246.22 g/mol
Exact mass
245.99627416 Da
Topological polar surface area
85.8 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
0

Also known as

sodium naphthol sulfonate1-Naphthalenesulfonic acid, 4-hydroxy-, monosodium saltSodium 4-hydroxynaphthalene-1-sulphonateNEVILLE WINTER ACIDK4037B899ZRefChem:8877291-naphthol-4-sulfonic acid, sodium salt228-050-0
16 more reported names
1-Naphthol-4-sulfonic acid sodium salt4-Hydroxy-1-naphthalenesulfonic acid sodium saltSodium 4-hydroxy-1-naphthalenesulfonatesodium;4-hydroxynaphthalene-1-sulfonate4-Hydroxy-1-naphthalenesulfonic acid monosodium salt1-Naphthalenesulfonic acid, 4-hydroxy-, sodium salt (1:1)Neville Winther AcidSodium 4-hydroxynaphthalenesulphonateUNII-K4037B899ZEINECS 228-050-0EINECS 298-446-6AI3-090521-Hydroxynaphthalene-4-sulfonic acid sodium saltsodium4-hydroxynaphthalene-1-sulfonateAS-143864-Hydroxy-1-naphthalenesulfonic acid sodium
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 6099-57-6

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How CAS 6099-57-6 is used on this site

CAS 6099-57-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 6099-57-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.