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Magnesium Stearate

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Description: A white or almost white. Very fine, Light powder, greasy to touch

TEST SPECIFICATION
Solubility Practically insoluble in water and anhydrous ethanol
Identification:  
A) Freezing Point Minimum 53DC
B) Acid Value 195 to 210
C) Fatty Acid Composition Retention time of test & Reference Solution in Chromagram should be same
D) Magnesium Test A white crystalline precipitate is formed
Acidity or Alkalinity NMT 0.05 Ml. of 0.1M HCl or NaOH
Chloride Maximum 0.1%
Sulphate NMT 1.00%
Cadmium as CD NMT 3 Ppm
Lead NMT 10Ppm
Nickel NMT 5 Ppm
Loss on Drying NMT 6.0%
Microbial Contamination  
1) TAMC NMT 1000 CFU/G
2) TYMC NMT 100 CFU/G
3) E.Coli. Absence
4) Salmonella Absence
ASSAY as Mg (Dried Substance) 4.0% to 5.0%
ASSAY as Fatty Acid NLT 40% Stearic Acid
Sum of Stearic Acid & Palmetic Acid NLT 90%
Residual Solvents Not used


Shelf Life: 5 years


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