Magnesium stearate is a white, easy, and sand-free fine powder; it has a slight special smell; it has a slippery touch in contact with the skin.
This product is insoluble in water, ethanol or ether, and is mainly used as a lubricant, anti-sticking agent, and glidant. It is especially suitable for the granulation of oils and extracts drugs, and the prepared granules have good fluidity and compressibility. Used as a glidant in direct compression. It can also be used as a filter aid, clarifying agent, and foam dropping agent, as well as a suspending agent and thickening agent for liquid preparations.
Magnesium Stearate is used as heat stabilizer for PVC, as well as raw materials for cosmetics, flour, moisturizing ointment and pharmaceutical tablets (shaping drugs and lubricants);
Used in school wood powder to make it lubricated, bright and transparent; Paint industry as transparent smoothing agent, etc. Widely used in food, medicine, coatings, plastics, rubber, textile and so on.
It is a new pharmaceutical auxiliary material, which can be used as film-forming coating material of solid preparation, thickener and suspension of colloidal liquid preparation, etc.
Used in powder products in cosmetics, it can improve adhesion and lubricity, and can also be used as raw materials for pharmaceutical tablets.
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物品
|
Unit
|
Value
|
Fatty acid composition
|
/
|
Stearic acid 40%min
Sum of stearic acid and palmitic acid 90%min
|
测定
|
%
|
Mg: 4.0~5.0
|
Chlorides
|
%
|
0.1 max
|
Sulphates
|
%
|
0.6 max
|
Loss on drying
|
%
|
5.0 max
|
Iron salt
|
%
|
0.01 max
|
Heavy metals
|
ppm
|
10 max
|
Acidity or alkalinity
|
/
|
+
|
Cadmium-
|
ppm
|
3 max
|
Lead
|
ppm
|
10 max
|
Nickel
|
ppm
|
5 max
|
Microbial limit
|
/
|
Aerobic microbial count 1000cfu/g max
Total yeasts count 100cfu/g max
|
Particle size(Passing 45um)
|
%
|
99.0 min
|
Quality standard
|
ChP2015, BP2011, USP34/NF29
|
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