Sodium stearate is likewise referred to as sodium octadecanoate. It is a white oily powder with an oily feel and a fatty smell. It is absorptive in air.
Slightly soluble in cold water, quickly soluble in hot water or hot alcohol, very thick hot soap liquid will not crystallize after cooling. The liquid solution is alkaline due to hydrolysis, while the alcoholic solution is neutral.
The product has excellent emulsification, penetration and detergency. For that reason, it is usually used in the manufacture of tooth paste, and also is additionally utilized as a waterproofing representative and a plastic stabilizer.