Title:  Sodium Stearate 
CAS Registry Number:  822-16-2 
CAS Name:  Stearic acid sodium salt 
Literature References:  Approx C18H35NaO2.  Usually contains sodium palmitate. 
Properties:  White powder; soapy feel; slight, tallow-like odor.  Slowly soluble in cold water or cold alcohol; freely sol in the hot solvents.  The aq soln is strongly alkaline, due to hydrolysis; the alcohol soln is practically neutral. 
Use:  Pharmaceutic aid (emulsifying and stiffening agent).  In glycerol suppositories; also in toothpaste; as waterproofing agent.   |