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CAS 27177-77-1 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 5911915/10/2010

POTASSIUM DODECYLBENZENESULFONATE

Potassium dodecylbenzenesulphonate

POTASSIUM DODECYLBENZENESULFONATE 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 27177-77-1

CAS 27177-77-1PubChem CID 23694261

Potassium Dodecylbenzenesulfonate

Salts of alkylbenzene sulfonates, including ammonium dodecylbenzenesulfonate, calcium dodecylbenzenesulfonate, DEA-dodecylbenzenesulfonate, isopropylamine dodecylbenzenesulfonate, magnesium isodecylbenzenesulfonate, MIPA-dodecylbenzenesulfonate, potassium dodecylbenzenesulfonate, sodium decylbenzenesulfonate, SDDBS, sodium tridecylbenzenesulfonate, TEA-DDBS, and TEA-tridecylbenzenesulfonate, are safe as cosmetic ingredients in the practices of use given in this safety assessment when formulated to be nonirritating. — Cosmetic Ingredient Review (CIR)

IUPAC name: potassium 2-dodecylbenzenesulfonate

Molecular formula: C18H29KO3S
Molecular weight: 364.6 g/mol
Exact mass: 364.14744744 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

Benzenesulfonic acid, dodecyl-, potassium saltDodecylbenzenesulfonic acid, potassium saltRefChem:867804Dodecyl benzene sulfonic acid, potassium salt889R5VY1ETpotassium;2-dodecylbenzenesulfonateHSJXWMZKBLUOLQ-UHFFFAOYSA-M91USA8131J

2 more reported names

BENZENESULFONIC ACID, 2-DODECYL-, POTASSIUM SALT (1:1)Dodecylbenzene Sulfonic Acid Potassium Salt (Mixture of Isomers)

Open full PubChem record PubChem annotations 3D structure image

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 DODECYLBENZENESULFONATE

INCI name

POTASSIUM DODECYLBENZENESULFONATE

Description

Potassium dodecylbenzenesulphonate

Record provenance

Inventory reference: 59119
Imported identity: POTASSIUM DODECYLBENZENESULFONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for POTASSIUM DODECYLBENZENESULFONATE

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Key data

CAS

27177-77-1

248-296-2

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.

#22631 · POTASSIUM DODECYLBENZENESULFONATE

Ingredients with overlapping formulation functions

POTASSIUM CUMENESULFONATESURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

POTASSIUM CYCLOCARBOXYPROPYLOLEATESURFACTANT - CLEANSING

POTASSIUM DIHYDROXYETHYL COCAMINE OXIDE PHOSPHATEHAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

POTASSIUM DIMETHICONE PEG-7 PHOSPHATESURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

POTASSIUM ETHYLHEXYL/ISOTRIDECETH-8 PHOSPHATESURFACTANT - CLEANSING

POTASSIUM HEMPSEEDATESURFACTANT - CLEANSING

POTASSIUM HYDROGENATED COCOATESURFACTANT - CLEANSING

POTASSIUM HYDROGENATED PALMATESURFACTANT - 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 POTASSIUM DODECYLBENZENESULFONATE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM DODECYLBENZENESULFONATE 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 DODECYLBENZENESULFONATE 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

POTASSIUM DODECYLBENZENESULFONATE 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 DODECYLBENZENESULFONATE carries the following function designation(s):

SURFACTANT - CLEANSING

CAS 27177-77-1 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 POTASSIUM DODECYLBENZENESULFONATE

This page reproduces the CosIng inventory entry for POTASSIUM DODECYLBENZENESULFONATE 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 DODECYLBENZENESULFONATE 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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