Appearance (Colour)
White
Appearance (Form)
Crystalline powder or crystals
Solubility (Turbidity) 10% solution in methanol
Clear
Solubility (Colour) 10% solution in methanol
Colourless
Identification (IR Spectrum)
Passes test
Assay (by Neutralization)
min. 99.9%
Residue after ignition
max. 0.01%
Melting Point
158 - 161°C
Chloride (CI)
max. 0.001%
Sulphate (SO4)
max. 0.003%
Iron (Fe)
max. 0.0001%
Heavy Metals (Pb)
max. 0.0005%
Substances darkened by Sulphuric acid
Passes test