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- 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
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