1.Magnesium stearate description
Product name:Magnesium stearate
Specifications: Q/HLX004-2007 (Food grade)
CAS NO.:557-04-0
Uses:Health medicine,health food,beverage,cosmetics additives.
Packing:25kg woven bag
Appearance:Fine white powder
2. Magnesium stearate specification
(1)Industrial grade
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Test items
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Specification
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Appearance
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(tiny, light and white powder)
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Assay of Mg
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4.0%~5.0%
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Loss on Drying
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≤5.0%
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Free acid
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≤1.0%
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Melting point
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110~160°C
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Particle size
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325 99% (≥99% through 325 mesh)
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Bulk density
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0.1~0.35g/ml
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(2)Food grade
Operative norm: Enterprise Standard, Q/HLX004-2007
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Test items
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Specification
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Characters
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White powder, no impurities, little odour
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Assay (MgO)
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6.8-8.3%
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Chloride
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≤0.15%
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Sulfates
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≤0.6%
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Heavy metals
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≤0.0015%
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Arsenic
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≤3mg/kg
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Loss on drying
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≤4.0%
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(3)Pharmaceutical grade
Operative Norm: USP29 / BP2005
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Test Items
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Specification
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Appearance
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Fine, light, white powder
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Assay (Mg)
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4.0-5.0%
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Chloride
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≤0.25%
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Sulfates
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≤0.5%
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Loss on drying
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≤6.0%
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Heavy metals
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≤0.001%
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Arsenic
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≤3mg/kg
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Stearic acid and palmitic acid
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≥90.0%
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Stearic aicd
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≥40.0%
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Organic volatile impurities
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conform
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