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      Vitamin B2 (Riboflavin)? 98%

      CAS number: 83-88-5

      Molecular formula:

      molecular weight:

      Chemical structure:

      Details

      Product Name
      Vitamin B2 (Riboflavin)
      Shelf Life
      3 years
      Test
      Specification
      Results
      Appearance
      A yellow or orange yellow crystalline powder
      Yellow crystalline powder
      Identification
      A solution of 1 mg in 100ml of water is pale greenish yellow by transmitted light, and has an intense yellowish-green fluorescence that disappears upon the addition of mineral acids or alkalies
      Conform
      Specific rotation, ° -115~-135
      -122
      Loss on drying, %
      ≤1.5
      0.10
      Residue on ignition, %
      ≤0.3 0.1
      Lumiflavin
      440nm Absorbance≤0.025 0.008
      Assay (on dried basis)%
      98.0~102.0
      99.1
      Conclusion: The above analytical results conform to USP37.