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The molecular weight of sodium stearate is 822.12. It belongs to the class of organic compounds known as long-chain fatty acids. Its aliphatic chain has between 13 and 21 carbon atoms. Its carboxyl group and hydrophilic head make it water soluble. It has the properties of a surfactant and is highly effective at stabilizing emulsions, making products thicker and more viscous. It can be used as a filler, lubricant, and thickener. It also has many uses in cosmetics.
Sodium stearate is produced by saponification of oils and fats. It is a major constituent of soap produced during this process. It is also a common ingredient in cosmetics such as lotions and shampoos. It is also an important raw material for the manufacture of rubbers, latex paints, and inks. It is also used in pharmaceutical production as an emulsifier and to prevent the crystallization of lipids.
It is also a component of some dietary supplements and a food additive. It is not toxic in moderate doses and is considered to be non-hazardous for human ingestion. However, high doses can cause hepatotoxicity in rats, and may lead to toxicity in humans if it is ingested with chloroform, acetone, phenol, or alcohol.
Sodium stearate is a white, waxy solid that is a salt of stearic acid. It is an ester of sodium hydroxide and stearic acid. Sodium stearate is produced by the saponification of many animal fats. It is also manufactured by the pyrolysis of special soaps called “slip agents,” which are used to avoid the polymer sticking to processing machinery during manufacturing. This pyrolysis generates a mixture of hydrocarbons, including decane, decene, tetradecane, and pentadecane.
