Sodium Bromide, Reagent A.C.S.

Assay (corrected):≥99.0%
NaBr
pH of a 5% solution:5.0-8.8 at 25 °C
MAXIMUM ALLOWABLE 
Insoluble matter: 0.005%
Bromate (BrO3): 0.001%
Chloride (Cl): 0.2%
Sulfate (SO4): 0.002%
Barium (Ba): 0.002%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm
Calcium (Ca): 0.002%
Magnesium (Mg): 0.001%
Potassium (K): 0.1%
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