Stearic acid, chemical formula C18H36O2, molecular weight 284.48, is a compound, octadecanoic acid. Produced by the hydrolysis of oil, mainly for the production of stearate.
Stearic acid is a kind of fatty acid widely existing in nature, almost all fats have varying levels of stearic acid, and the content of stearic acid is higher in animal fats, such as the content of butter can reach 24%, the content of vegetable oil is less, tea oil is 0.8%, palm oil is 6%, but the content of cocoa butter is as high as 34%. The main production methods of industrial stearic acid are fractionation and pressing. The decomposition agent is added to the hardened oil, and then the crude fatty acid is hydrolyzed, and then the finished product is obtained by washing, distillation and decolorization. Glycerol is produced as a by-product.
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