Strontium stearate is a metal-organic compound, a salt of strontium and stearic acid with the chemical formula C36H70SrO4.

[4] A reaction of strontium hydroxide with stearic acid.

Insoluble in alcohol, soluble (forms gel) in aliphatic and aromatic hydrocarbons.

[6] Strontium stearate is used in grease and wax compounding.

[6][7] It is also used as a lubricant to improve the flow characteristics of polyolefin resins.