5690. Magnesium Stearate

Nomenclature

CAS number: 557-04-0
Octadecanoic acid magnesium salt.
C36H70MgO4; mol wt 591.24.
C 73.13%, H 11.93%, Mg 4.11%, O 10.82%.
Mg(C18H35O2)2.

Description and references

The commercial preparation also contains palmitate.

Properties

White powder. Insoluble in water; dec by dil acids.

Use

In baby dusting powders; as tablet lubricant.