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Magnesium Stearate

Octadecanoic acid magnesium salt

Magnesium Stearate
Magnesium stearate is primarily used in pharmaceutical formulations as a lubricant in tablet manufacture at concentration up to 1%.
Magnesium stearate is a very fine, light white, impalpable powder of low bulk density, having characteristic taste and odour
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Magnesium Stearate
Magnesium Stearate
Primary function
Typical use level
0.25 - 1%
Physical data

  • Density (bulk): 0.159 g/cm³
  • Density (tapped): 0.286 g/cm³
  • Density (true): 1.092 g/cm³
  • Flowability: Poorly flowing, cohesive powder
  • Melting range: 117 - 150°C

Benefits / Claims
Commercially available in different grades that can meet the specific requirements of each type of formulation.
High effective and stable boundary lubricant.
Suitable for
Hard Gel Capsules

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