CAS No. 12124-97-9
Appearance:Â White briquettes
Assay (as NH4Br):Â 99.5% min
Loss on drying:Â 0.2% Max
Appearance of solution (20% w/v):Â Clear, Colourless
Transmittance of 20% solution 410nm:Â 96.0% min
pH of a 5% solution:Â 4.5 – 5.5
Chlorides (as Cl-):Â 0.1% Max
Iodides (I-):Â 0.006% Max
Sulphates (as SO4):Â 0.005% Max
Heavy metals (as Pb):Â 0.0003% Max
Non-volatiles:Â 0.01% Max
Iron (as Fe):Â 0.0002% Max
Additional Typical Values
•Resistance to KMnO4 minutes: 10 minutes min
•Non-volatiles: 0.01% Max
•Alkaline earth metals (as Ca): 0.005% max