Potassium stearate

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Potassium stearate is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Potassium stearate (Wikipedia)

Potassium stearate is a metal-organic compound, a salt of potassium and stearic acid with the chemical formula C
18
H
35
KO
2
. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.

Potassium stearate
Names
Other names
Potassium octadecanoate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.898 Edit this at Wikidata
EC Number
  • 209-786-1
UNII
  • InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1
    Key: ANBFRLKBEIFNQU-UHFFFAOYSA-M
  • CCCCCCCCCCCCCCCCCC(=O)[O-].[K+]
Properties
C
18
H
35
KO
2
Molar mass 322.56
Appearance colorless crystals
Density 1.12 g/cm3
Boiling point 359.4 °C (678.9 °F; 632.5 K)
soluble in hot water
Hazards
GHS labelling:
GHS07: Exclamation markGHS09: Environmental hazard
Warning
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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