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Cosmetic ingredient (INCI)

Potassium Undecylenate

Used in cosmetic products as surfactant, emulsifying, preservative and surfactant, cleansing. Potassium Undecylenate is the potassium salt of Undecylenic Acid.

Allowed preservative

EU Cosmetics Regulation (EC) No 1223/2009, Annex V/18.

Annex V/18: 0.2% (as acid)

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

Potassium undecylenate chemical structure, C11H19KO2, CAS 6159-41-7
Potassium undecylenate
CAS 6159-41-7C11H19KO2
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Potassium undecylenate

IUPAC name: potassium undec-10-enoate

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  • Measured and computed properties
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Frequently asked questions

What is Potassium Undecylenate used for in cosmetics?

Potassium Undecylenate is used in cosmetic products as surfactant, emulsifying, preservative and surfactant, cleansing. Potassium Undecylenate is the potassium salt of Undecylenic Acid.

Is Potassium Undecylenate restricted in cosmetics in the EU?

Potassium Undecylenate is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex V/18 (allowed preservative). Annex V/18: 0.2% (as acid) Always check the full annex entry for the conditions of use.

What is the CAS number of Potassium Undecylenate?

Potassium Undecylenate is listed with CAS number 6159-41-7.

Where can I buy Potassium Undecylenate?

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