Sodium Bromate molecular formula：NaBrO3 molecular weight：150.9 1.Uses: This product is a strong oxidant, mianly used as printing and dyeing auxiliary, hair-perm agent, chemical agent, or gold solvent in gold mines when used with soldium bromide. 2.Standard item Index high-grade first-grade Content(calculated with NaBrO3) % ≥ 99.7 99.0 PH value(5w/v) 6.5±1 6.5±1 Light absorbency(20% solution)≤ 0.12 Water %≤ 0.1 0.2 Nromide(calculated with NaBr)%≤ 0.05 0.07 Sulphate(calculated with SO4)%≤ 0.01 0.02 Iron (Fe)%≤ 0.0005 0.001 Arsenic (As)%≤ 0.0002 0.0005 Chloride and chlorate(with CL)%≤ 0.05 0.1 Heavy metal (calculated with Pb)%≤ 0.0005 0.001 3.Shape and Properties: This product is white crystal or powder, with density(7.5℃/4℃)3.339 and melting point at 381℃(decomposed)，Its water solubility is37.4g at 25℃，90.9g at 100℃, It dose not dissolve in alcohol. 4.Notification: This product is a strong oxidant, with oxidizing grade of 5.1 and UN Dangerous Articles Standard NO:1494. It burns when fricted or bumped. It becomes flammable and may explode when mixed with sulphur, carbon and metal powder. It reacts strongly with strong acid. It should be stored in dry, cool and well-ventilated places, keeping away from ammonide compounds and sulphuric acid solution. 5.Package: 25kg or 50kg each, packed by cardboard buckets lined with polyethylene bag inside.