Bronopol

Tech. 98% (97%) Grade    /      BP Grade    /   Refined Grade

Chemical Formula

            2-Bromo-2-Nitropropane-1,3-Diol        (MOL. Wt. 200)

Bronopol Tech. 98% (97%) grade

      Appearance  .....................  White or almost white crystals or crystalline powder
     Assay  ...............................  98.0% min. (97.0% min.)
     Melting Point  ..................  about 130กษ   
     Loss on Drying   .............   0.5% max.
     Residue on Ignition   .......  0.5% max.
     pH (solution 1%)  ............  4.5 ~ 7.0
     2-Methyl-2-nitropropane -1,3-diol     .....  0.5% max.
     Sodium Bromide   ...................................  1.0% max.
     Tri(hydroxymethyl)nitromethane   .........  0.5% max.
     Heavy metals    .......................................  10 ppm max.
     Color (APHA)  ........................................  < 200            

Bronopol BP grade

      Appearance  .................  White or almost white Crystals or crystalline powder
      Assay   .........................  99.0 ~ 101.0%
      Melting Point   .............  approx. 130กษ
      Loss on drying   ...........   0.5% max.
      Residue on Ignition   .....  0.1% max.
      pH (solution 1%)  ..........  5.0 ~ 7.0
      Sulphated ASH .............  0.10% max.
      Sodium Bromide   .........  0.5% max.
      Related Substance   .......  gas chromatography
        

Bronopol Refined Grade

    Appearance ...................  White or almost white crystals or crystalline powder
    Assay  ...........................   99.0% min.
    Melting Point ...............   about 130กษ   
    Loss on Drying   ...........  0.5% max.
    Sulphated Ash   .............  0.1% max.
    Solubility   ....................   clear liquid
    Chloride   ......................   0.014% max.
    Sodium Bromide   ..........  0.5% max.
    Tri(hydroxymethyl)nitromethane   .....  0.1% max.
    Heavy metals   ....................................  10 ppm max.
    Residue on Ignition   ..........................   0.1% max.