Magnesium Stearate

• Chemicals structure of magnesium stearate
  

  CAS Number 557-04-0	EC Number:209-150-3
  Linear Formula [CH3(CH2)16COO]2Mg	Molecular Weight: 591.2544
  H.S code:2915709000

  
  

  Typical Physiochemical Properties

  Items	UNIT	Industry grade	Pharmaceutical grade
  Colour & Appearance	-	White Free Flowing Powder
  Bulk Density	gm/cc	0.15-0.2	0.15-0.2
  Moisture (105oC )	%	<3.0	5.0
  Residue on 240 mesh	%	<1.0	1.0
  Melting Point	℃	<110	110
  Magnesium oxide content	%	6.5-7.5	6.5-7.5
  Free steric acid	%	<1	1
  Chloride	%	<2	<0.1
  sulphate	%	19-21	<0.6
  Heavy metal content	%	19-21	<0.015

  
  

  Application:

  Cosmetics	Stearate mangesium used as accessory ingredient for cosmetics
  Coatings, inks	magnesium stearate also as additive for coatings and printing ink
  Medical	As a anti-adherent,magnesium stearate use in medical tablets, capsules and powders
  plastics	As emulsifier, releasing agent, and stabilizer for plastics

  
  

  Synthesis
  magnesium stearate manufacturing process is Based on water as the medium. using metathesis  synthesis fatty acid and magnesium salt