8678. Sodium Stearate

Nomenclature

CAS number: 822-16-2
Stearic acid sodium salt.

Description and 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.