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Propylene Glycol USP Grade
  • Product describe:Molecular formula: C3H8O2 CAS No.: 57-55-6
  • Propylene Glycol USP Grade

    Property 
    Propylene glycol is colorless transparent liquid. Its melting point is -59.5℃ and boiling point is 187.3℃,and can be mixed or solvent with water, alcohol and several organic agent.
    Application 
    Propylene glycol is a raw material for producing unsaturated of plasticizer, dehydrant, surface active agent, firming agent and binder.                                                                                       
    Specification (It conforms to the Quality System Standard: ISO9001:2008)

    Items

    USP Grade

    Purity (wt%)

    99.50 Min

    Water (wt%)

    0.05 Max

          Specific gravity

    1.035 –1.037 g/cm3 at 25 °C

       Index of Refraction

    1.431 – 1.435 nD20

    Distillation Range

    184~189 °C

    Acidity (ml 0.1N NaOH/10ml)

    0.05 Max

    Residue on Ignition (wt)

    70 ppm Max

    Heavy Metal asPb (wt)

    5 ppm Max

    Arsenic as As (wt)

    1 ppm Max

    Sulfate (wt)

    6 ppm Max

    Chloride as Cl (wt)

    7 ppm max

    Iron (wt)

    0.5 ppm Max

    Ethylene Glycol (wt)

    8 ppm Max

    Diethylene Glycol (wt)

    8 ppm Max

    Organic Voltile impurities

    Pass

    Color (AHPA)

    5 max

    Appearance

    Colorless, transparent and sticky liquid

    Transportation
    Stored in cool, dry and ventilated places, kept far from fire, and transported as a common chemical.  

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