Magnesium Stearate


Magnesium Stearate can be used as a stabilizer for plastic products, a powder molding agent for tablets, a catalyst for paint and a calming agent, and a raw material for cosmetic flour. There is basically no harm to the human body.
Molecular Formula:
Physical and chemical properties: this product is a white light powder with, specific gravity 1.028, odorless, slightly soluble in water, and soluble in hot ethanol, in case of a strong acid is decomposed into stearic acid and the corresponding magnesium salt, this product has hygroscopicity.

Formula: (C17H35COO)2Mg

CAS NO.557-04-0

synonyms: MagnesiumStearate SP FACI


Magnesium oxide content/%6.7-7.5
Melting point/°C≥88.5
Heating reduction/%≤4
Free acid (in terms of stearic acid)%≤4
Fineness (0.075mm sieve)/%99%



1. Used as a cooperative stabilizer with calcium soap and zinc soap when making polyvinyl chloride safety products.
2. Used as a release agent in the pharmaceutical industry in the manufacture of tablets.
3. When used for powder cosmetics ingredients, it can improve adhesion and lubricity.
4. It can also be used as a transparent flattening agent for paint.


Magnesium Stearate is a non-toxic, environmentally friendly product, good biodegradable, and approved for application in food indirect contact packaging materials.


This product is 20 kg/pack, packed in woven bags inside and outside, stored in a cool and dry place to avoid sun and rain, and the storage period is 12 months.



Magnesium.Stearate tds baoxu chemical

magnesium stearate msds baoxu chemcial