Strontium stearate
# Strontium stearate

Strontium stearate is a metal-organic compound, a salt of strontium and stearic acid with the chemical formula C $_{36}H$ $_{70}SrO$ $_4.$ The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.

## Synthesis

A reaction of strontium hydroxide with stearic acid.

## Physical properties

The compound forms white powder. Insoluble in alcohol, soluble (forms gel) in aliphatic and aromatic hydrocarbons.

## Uses

Strontium stearate is used in grease and wax compounding.

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

