Appearance (Colour)
White to Off white
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% hot solution in Methanol
Clear to slight opalascent
Solubility (Colour) 10% hot solution in Methanol
Colourless to pale yellow
Solubility (Turbidity) 4% hot aq. solution
Clear
Solubility (Colour) 4% hot aq. solution
Colourless to pale yellow
Assay (UV)
min. 99%
Melting Point
164 - 166°C
Loss on drying
max. 0.5%
Chloride (CI)
max. 0.01%
Sulphate (SO4)
max. 0.02%
Iron (Fe)
max. 0.01%
