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      Diclofenac sodium
      Name:Diclofenac sodium
      CAS NO:15307-79-6
      Characteristics:white crystalline powder
      Used:as anti-inflammatory analgesic
      The detailed specifications are as below:
      Item of testing  Inspection Standard
      Characters White or slightly yellowish crystalline
      Powder, slightly hygroscopic
      Solubility Sparingly soluble in water, freely soluble in methanol, ethanol (96%) ;
      Slightly soluble in acetone; practically insoluble in ether
      Identify (A) (A)IR-Spectrum
        (D) Reaction of sodium salt
      Acidity or alkalinity 6.5-7.5
      Melting point 278-279℃
      Appearance of solution Clear
        Absorption of sodium salt ≤0.05
      Related Substances Single impurity max 0.2%
        Total impurity max 0.5%
      Heavy metal Max 10ppm
      Loss on drying Max 0.5%
      Assay 99.0-101.0%

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