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Magnesium stearate Magnesium stearate food grade 557-04-0
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Magnesium stearate:
Formula: c36h70o4mg
Weight: 591
Appearance: white powder
Specification:
Item |
usp |
bp |
food grade |
assay (mg) % |
4.0-5.0 |
4.0-5.0 |
|
assay (mgo) % |
|
|
6.8-8.3 |
acid value |
|
195-210 |
|
chloride % |
≤0.1 |
≤0.25 |
|
sulfate % |
≤1.0 |
≤0.5 |
|
loss on drying % |
≤6.0 |
≤5.0 |
≤4.0 |
lead ppm |
≤10 |
≤10 |
≤5 |
nickel ppm |
|
≤5 |
|
cadmium ppm |
|
≤3 |
|
stearic acid % |
≥40.0 |
≥40.0 |
|
stearic acid & palmitic acid % |
≥90.0 |
≥90.0 |
|
|
Application:
this medicine is a white loose and sandyless powder with a lubrication feel,insoluble in alcohol and ether,and slight soluble in hot alcohol and benzene,lts quality is stable,without self-
polymerization, having lubrication,antiadhesion and lowing-aid function.it is mainly used as lubricant,flowing aid,antiadhesive and is a traditional pharmaceutical adjuvant.
Photos:
usp |
bp |
food grade |
|
assay (mg) % |
4.0-5.0 |
4.0-5.0 |
|
assay (mgo) % |
6.8-8.3 |
||
acid value |
195-210 |
||
chloride % |
≤0.1 |
≤0.25 |
|
sulfate % |
≤1.0 |
≤0.5 |
|
loss on drying % |
≤6.0 |
≤5.0 |
≤4.0 |
lead ppm |
≤10 |
≤10 |
≤5 |
nickel ppm |
≤5 |
||
cadmium ppm |
≤3 |
||
stearic acid % |
≥40.0 |
≥40.0 |
|
stearic acid & palmitic acid % |
≥90.0 |
≥90.0 |
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