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Magnesium stearate CAS 557-04-0,White powder, insoluble in water, ethyl alcohol and diethyl ether; soluble in hot water, hot ethyl alcohol.
Physical Properties
Melting point, °C . 200
Density @ 20°C, g/cm3 1.028
Industry grade Specification
Appearance white fine powder
identification meet the specification
magnesium content, % 4.0-5.0
PH value meet the specification
chloride, % ≤0.1
sulfate, % ≤1.0
loss on drying, % ≤6.0
lead, ppm ≤10
nickel, ppm ≤5
cadmium, ppm ≤3
stearic acid content, % ≥40.0
stearic acid&palmitic acid content, % ≥90.0
Medical grade specification
Specification USP35 BP2013
appearance white fine powder white fine powder
identification meet the specification meet the specification
solubility / meet the specification
magnesium content, % 4.0-5.0 4.0-5.0
PH value meet the specification meet the specification
chloride, % ≤0.1 ≤0.1
sulfate, % ≤1.0 ≤1.0
loss on drying, % ≤6.0 ≤6.0
lead, ppm ≤10 ≤10
nickel, ppm ≤5 ≤5
cadmium, ppm ≤3 ≤3
stearic acid content, % ≥40.0 ≥40.0
stearic acid&palmitic acid content, % ≥90.0 ≥90.0
bacteria, cfu/g ≤1000 ≤1000
mould, cfu/g ≤100 ≤100
pathogenic bacterium not detectable not detectable
Applications
Medical areas: it can be bind tablets and make tablets smooth.
Food areas: it uses as an anti-caking agent
Cosmetic areas: it used in make-up products for beauty,such as compact powder,eye shadow etc
Industry areas: It is widely used in coating, plastic, rubber, textile and other industries as emulsifier, release agent, lubricant, stabilizer, etc.
Packaging
20kg per bag or as request,10mt per 20ft container
Storage & Handling
Keep in cool, dry and well-ventilated warehouse. To protect direct sunlight and rain.
Always refer to the Material Safety Data Sheet (MSDS) for detailed information on handling and disposal.
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