Appearance (Colour)
White
Appearance (Form)
Crystalline hygroscopic compund/deliquescent solid
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (ex Cl)
min. 99%
pH (5% aq. solution)
4.5 - 6.0
Insoluble matter
max. 0.005%
Residue after ignition
max. 0.025%
Chloride (CI)
max. 0.005%
Sulphate (SO4)
max. 0.005%
Heavy Metals (Pb)
max. 0.0005%
Iron (Fe)
max. 0.0003%
Iodine consuming substances
max. 0.004 meq /g