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CAS 6223-35-4 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 3788015/10/2010

SODIUM GUAIAZULENE SULFONATE

Sodium 3,8-dimethyl-5-(isopropyl)-1-azulenesulfonate

SODIUM GUAIAZULENE SULFONATE 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 6223-35-4

CAS 6223-35-4PubChem CID 23669592

Sodium Gualenate

IUPAC name: sodium 3,8-dimethyl-5-propan-2-ylazulene-1-sulfonate

Molecular formula: C15H17NaO3S
Molecular weight: 300.4 g/mol
Exact mass: 300.07960986 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

Gualenate de sodiumNatrii gualenasSodium 7-isopropyl-1,4-dimethylazulene-3-sulfonateSodium guaiazulene-3-sulfonateSodium guaiazulenesulfonateSodium guaiazulene sulfonateOristar sgsGuaiazulene 3-sulfonate sodium salt

16 more reported names

Azunol ST1-Azulenesulfonic acid, 3,8-dimethyl-5-(1-methylethyl)-, sodium saltSoluble guaiazuleneAzulene sulfonate sodiumSodium guaiazulenesulphonategualenato de sodio19WSH095WPSodium guaiazulene-3-sulphonateSodium 5-isopropyl-3,8-dimethyl-1-azulene sulfonateGUAIAZULENE SOLUBLE1-AZULENESULFONIC ACID, 5-ISOPROPYL-3,8-DIMETHYL-, SODIUM SALTRefChem:183902228-309-8Sodium 5-isopropyl-3,8-dimethylazulene-1-sulfonateSodium Gualenate [INN]Sodium guiazulene sulfonate

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL1837010
EPA DTXSID:DTXSID40211279

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 GUAIAZULENE SULFONATE

INCI name

SODIUM GUAIAZULENE SULFONATE

INN name

sodium gualenate

Description

Sodium 3,8-dimethyl-5-(isopropyl)-1-azulenesulfonate

Record provenance

Inventory reference: 37880
Imported identity: SODIUM GUAIAZULENE SULFONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM GUAIAZULENE SULFONATE

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Key data

CAS

6223-35-4

228-309-8

Restriction

—

Function

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).

Official EU ingredient-name evidence

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

#26640 · SODIUM GUAIAZULENE SULFONATE

Ingredients with overlapping formulation functions

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

SODIUM GLYCERYL OLEATE PHOSPHATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM GRAPESEEDAMIDOPROPYL PG-DIMONIUM CHLORIDE PHOSPHATEHAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING

SODIUM GRAPESEEDATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM HEMPSEEDAMPHOACETATECLEANSING, SURFACTANT - CLEANSING

SODIUM HEXETH-4 CARBOXYLATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

SODIUM HEXYLDIPHENYL ETHER SULFONATESURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

SODIUM HYDROGENATED COCOATECLEANSING, SURFACTANT - CLEANSING

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 GUAIAZULENE SULFONATE appears in the CosIng inventory

The CosIng inventory lists SODIUM GUAIAZULENE SULFONATE 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 GUAIAZULENE SULFONATE is also tagged with 1 cosmetic function 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 GUAIAZULENE SULFONATE 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 GUAIAZULENE SULFONATE carries the following function designation(s):

SURFACTANT - CLEANSING

CAS 6223-35-4 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 GUAIAZULENE SULFONATE

This page reproduces the CosIng inventory entry for SODIUM GUAIAZULENE SULFONATE 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 GUAIAZULENE SULFONATE 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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