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WSD chemical established in 2000,we are professional engaged in the research, development, production, sale and service of PVC additives. We are located in Shengzhou City,Zhejiang,China, near to Shanghai, Hangzhou ,Ningbo, YIwu .and have convenient transportation access.

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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


    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

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

  • 1. Magnesium stearate we can produce industry grade and medichine grade

    2. stearate magnesium mainly used as lubricants and release agent

    3. stearate magnesium used on plastics, pharmaceutical raw materials