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InventoryRef 7975215/10/2010

POTASSIUM XYLENESULFONATE

Potassium salt of xylene sulfonic acids

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

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 30346-73-7
CAS 30346-73-7PubChem CID 23689308

Potassium Xylenesulfonate

Potassium Xylene Sulfonate ... safe as cosmetic ingredient in the present practice of use and concentration as described in this safety assessment, when formulated to be nonirritating Cosmetic Ingredient Review (CIR)

IUPAC name
potassium (4-methylphenyl)methanesulfonate
Molecular formula
C8H9KO3S
Molecular weight
224.32 g/mol
Exact mass
223.99094680 Da
Topological polar surface area
65.6 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
0

Also known as

Potassium xylene sulfonateELTESOL PX40ELTESOL PX93RefChem:868189F8K3A45YA1POTASSIUM XYLENESULFONATE [INCI]XYLENE SULFONIC ACID, POTASSIUM SALTBenzenesulfonic acid, dimethyl-, potassium salt
1 more reported name
IATWZAQVLALCDQ-UHFFFAOYSA-M

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 POTASSIUM XYLENESULFONATE

INCI name

POTASSIUM XYLENESULFONATE

Description

Potassium salt of xylene sulfonic acids

Record provenance

Inventory reference
79752
Imported identity
POTASSIUM XYLENESULFONATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

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).
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.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How POTASSIUM XYLENESULFONATE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM XYLENESULFONATE 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.

POTASSIUM XYLENESULFONATE is also tagged with 2 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

POTASSIUM XYLENESULFONATE 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, POTASSIUM XYLENESULFONATE carries the following function designation(s):

CAS 30346-73-7 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for POTASSIUM XYLENESULFONATE

This page reproduces the CosIng inventory entry for POTASSIUM XYLENESULFONATE 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 POTASSIUM XYLENESULFONATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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