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CAS 26264-58-4 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 7978315/10/2010

SODIUM METHYLNAPHTHALENESULFONATE

Sodium methylnaphthalenesulphonate

SODIUM METHYLNAPHTHALENESULFONATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 26264-58-4

CAS 26264-58-4PubChem CID 23669609

Sodium methylnaphthalenesulfonate

IUPAC name: sodium 2-methylnaphthalene-1-sulfonate

Molecular formula: C11H9NaO3S
Molecular weight: 244.24 g/mol
Exact mass: 244.01700960 Da
Topological polar surface area: 65.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 2
Defined stereocentres: 0

Also known as

Naphthalenesulfonic acid, methyl-, sodium saltSodium methylnaphthalenesulphonateMethylnaphthalenesulfonic acid, sodium saltEINECS 247-564-6Naphthalenesulfonic acid, methyl-, sodium salt (1:1)RefChem:887693Sodium methylnapthalenesulfonateREDI PRO Glass and Counter Cleaner

10 more reported names

Naphthalenesulfonic acid, methyl, sodium saltSodium mono-and dimethyl naphthalene sulfonate247-564-6Sodium 2-methyl-1-naphthalenesulfonatesodium;2-methylnaphthalene-1-sulfonate1A0PLS266R1-Naphthalenesulfonic acid, 2-methyl-, sodium salt (1:1)UNII-1A0PLS266Rsodium methylnaphthalene sulfonateGCNLRNBDDUYJMP-UHFFFAOYSA-M

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External database identifiers

EPA DTXSID:DTXSID50904100

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

Inventory details for SODIUM METHYLNAPHTHALENESULFONATE

INCI name

SODIUM METHYLNAPHTHALENESULFONATE

Description

Sodium methylnaphthalenesulphonate

Record provenance

Inventory reference: 79783
Imported identity: SODIUM METHYLNAPHTHALENESULFONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM METHYLNAPHTHALENESULFONATE

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Key data

CAS

26264-58-4

247-564-6

Restriction

—

Function

GEL FORMING: Giving the consistency of a gel (a semi-solid preparation with some elasticity) to a liquid preparation.
SURFACTANT - CLEANSING: Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
SURFACTANT - HYDROTROPE: Enhancing the water solubility of another surfactant.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#26815 · SODIUM METHYLNAPHTHALENESULFONATE

Ingredients with overlapping formulation functions

EUGLENA GRACILIS POLYSACCHARIDEGEL FORMING, SKIN CONDITIONING, VISCOSITY CONTROLLING

SODIUM CARBOMEREMULSION STABILISING, FILM FORMING, GEL FORMING, VISCOSITY CONTROLLING

SODIUM DEXTRAN SULFATEGEL FORMING, VISCOSITY CONTROLLING

SODIUM GLYCERETH-1 POLYPHOSPHATECHELATING, GEL FORMING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING

SODIUM POLYNAPHTHALENESULFONATEEMULSION STABILISING, GEL FORMING, SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

SODIUM POLYSTYRENE SULFONATEEMULSION STABILISING, FILM FORMING, GEL FORMING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING

SODIUM SURFACTINCLEANSING, GEL FORMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SOLUM FULLONUMABSORBENT, ANTICAKING, BULKING, GEL FORMING, OPACIFYING, VISCOSITY CONTROLLING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How SODIUM METHYLNAPHTHALENESULFONATE appears in the CosIng inventory

The CosIng inventory lists SODIUM METHYLNAPHTHALENESULFONATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

SODIUM METHYLNAPHTHALENESULFONATE is also tagged with 3 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

SODIUM METHYLNAPHTHALENESULFONATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, SODIUM METHYLNAPHTHALENESULFONATE carries the following function designation(s):

CAS 26264-58-4 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for SODIUM METHYLNAPHTHALENESULFONATE

This page reproduces the CosIng inventory entry for SODIUM METHYLNAPHTHALENESULFONATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research SODIUM METHYLNAPHTHALENESULFONATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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