Magnesium stearate

[ Description ]
Magnesium stearate is a white, fine powder that is the magnesium salt of stearic acid. It is widely used as a lubricant, anti-caking agent, and emulsifier in pharmaceuticals, food, and cosmetic products. It is insoluble in water and most organic solvents and helps improve the consistency and flow of powdered formulations.

[ Source and Characteristics ]
[ source: ] Produced by reacting magnesium salts (such as magnesium oxide or magnesium chloride) with stearic acid or its salts.
[ appearance: ] White, fine, odorless powder with a slightly greasy texture; non-flammable and stable under normal conditions.
[ CAS: ] 557-04-0
[ Molecular Formula: ] Mg(C₁₈H₃₅O₂)₂

[ Applications ]
1. Used as a lubricant in tablet and capsule production to prevent sticking during manufacturing.
2. Serves as an anti-caking agent in powdered foods, spices, and dietary supplements.
3. Functions as an emulsifier and stabilizer in cosmetics and skincare formulations.
4. Acts as a release agent in the production of candies and pressed confections.
5. Applied in the plastics industry as a lubricant and heat stabilizer.
6. Used in dry powder inhalers to improve powder dispersion and drug delivery efficiency.