Stearin

Stearin is a glyceryl ester of stearic acid, derived from animal fats created as a byproduct of processing beef. It is used as tallow in the manufacture of candles and soap. In the manufacture of soap, it is mixed with a sodium hydroxide solution in water. The following reaction gives glycerin and soap (sodium stearate): C3H5(C18H35O2)3 + 3NaOH → C3H5(OH)3 + 3C17H35COONa

Stearin is also used in conjunction with Aluminum Flakes to help in the grinding process in making Dark Aluminum powder.

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