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Aspirin - Antibiotics - 鹽城鳴遠藥業有限公司、鳴遠藥業、鳴遠藥業有限公司、鹽城鳴遠藥業
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      Aspirin

      CAS number: 50-78-2

      Molecular formula:

      molecular weight:

      Chemical structure:

      Details

      Product Name ASPIRIN
      Shelf life 3 years
      Test items Specifications  Results 
      Characters  White crystal or crystalline powder slightly Complies 
      Soluble in water and Freely soluble in alcohol(96%) Complies 
      At about 143 142.8
      Identification A Sample Infrared absorption spectropho-tometry Complies with Aspirin CRS Complies 
      Identification B A crystalline precipitate is formed, Melting point is 156-161 Postive 
      156.4-160.1
      Appearance of solution Solution is clear and colourless Solution is clear and colourless
      Related substances Any impurities not more than 0.1% 0.03%
      The sum of impurities not more than 0.25% 0.06%
      Heavy metals  20ppm 20ppm
      NMT20ppm
      Loss on drying 0.5% 0.03%
      NMT0.5%
      Sulphated ash 0.1% 0.03%
      NMT0.1%
      Assay (dried substance) Contains C9H8O99.5% TO 101.0% 99.70%
      Conclusion: The product comply with the requirements of BP2010