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Calcium Stearate

Octadecanoic acid calcium salt

Calcium Stearate
Calcium stearate is primarily used in pharmaceutical formulations as a lubricant in capsule manufacture at concentrations up to 1.0% w/w.
Calcium stearate occurs as a fine, white to yellowish-white, bulky powder having a slight characteristic odour. It is unctuous and free from grittiness.
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Calcium Stearate
Calcium Stearate
Primary function
Typical use level
Up to 1.0% w/w
Physical data

  • Appearance: fine, white to yellowish-white, bulky powder
  • Density: 1.064 - 1.096 g/cm³
  • Flowability: 21.2 - 22.6 (Carr compressibility index)

Benefits / Claims
Alternative to Magnesium Stearate
Vegetable-based renewable source.
High effective and stable lubricant.
Suitable for
Hard Gel Capsules

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