1. Description White crystalline powder
2. Appearance of 10% solution Clear and colourless
3. Assay as NaBrO3 % (on dry basis) > 99.50
4. Loss on Drying % < 0.50
5. Bromide (as Br- ) , % < 0.05
6. pH of 5 % Solution 6.00 – 9.00