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InventoryRef 7963515/10/2010

POTASSIUM OLEATE

Potassium oleate

POTASSIUM OLEATE 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 143-18-0
CAS 143-18-0PubChem CID 23665571

Potassium Oleate

Potassium oleate appears as brown solid or clear to amber liquid with a soapy odor. Sinks and mixes slowly with water. (USCG, 1999) CAMEO Chemicals

IUPAC name
potassium (Z)-octadec-9-enoate
Molecular formula
C18H33KO2
Molecular weight
320.6 g/mol
Exact mass
320.21176178 Da
Topological polar surface area
40.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
2
Defined stereocentres
0

Also known as

Oleic acid potassium saltTrenamine D-200Trenamine D-201Caswell No. 698BHSDB 5643POTASSIUM CIS-9-OCTADECENOIC ACIDPotassium 9-octadecenoate, (Z)-EINECS 205-590-5
16 more reported names
EPA Pesticide Chemical Code 07909574WHF607EU9-Octadecenoic acid (Z)-, potassium salt9-Octadecenoic acid, potassium saltPOTASSIUM OLEATE [MI]POTASSIUM OLEATE [VANDF]E-470(II)OLEIC ACID, POTASSIUM SALTINS-470(II)OLEIC ACID, POTASSIUM SALTPOTASSIUM CIS-9-OCTADECENOIC ACID [HSDB]INS NO.470(II)OLEIC ACID, POTASSIUM SALT9-Octadecenoic acid (9Z)-, potassium salt (1:1)OLEIC ACID, (POTASSIUM SALT)OLEIC ACID, [POTASSIUM SALT]Trenamine D200Trenamine D201NORFOX KO
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.

PubChem 2D chemical structure for CAS 23282-35-1
CAS 23282-35-1PubChem CID 23707731

elaidic acid, potassium salt, (E)-

IUPAC name
potassium (E)-octadec-9-enoate
Molecular formula
C18H33KO2
Molecular weight
320.6 g/mol
Exact mass
320.21176178 Da
Topological polar surface area
40.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
2
Defined stereocentres
0

Also known as

RefChem:920869potassium elaidateMLICVSDCCDDWMD-RRABGKBLSA-MPotassium (9E)-octadec-9-enoate
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.

Inventory details for POTASSIUM OLEATE

INCI name

POTASSIUM OLEATE

Description

Potassium oleate

Record provenance

Inventory reference
79635
Imported identity
POTASSIUM OLEATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

CAS
143-18-0 / 23282-35-1
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 - EMULSIFYING
Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

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 OLEATE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM OLEATE 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 OLEATE 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 OLEATE 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 OLEATE carries the following function designation(s):

CAS 143-18-0 / 23282-35-1 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.

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 OLEATE

This page reproduces the CosIng inventory entry for POTASSIUM OLEATE 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 OLEATE 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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