Sodium Bromate 

molecular formula: NaBrO3

molecular weight: 150.9

 

Uses: This product is as strong oxidant, mainly used as printing and dyeing auxiliary , hair - permagent , chemical agent, or gold solvent in gold mines when used with sodium bromide.

 

Standard:

Items                                          index

content(calculated with NaBrO3 %)              99.5 min       

PH value(5w/v)                                6.3      

Water %                                       0.1 max           

Bromide(calculated with NaBr %)                 0.05 max              

Sulphate(calculated with SO4 %)                  0.01 max              

Iron(Fe %)                                      0.0005 max

Arsenic(As %)                                   0.0002 max      

Chloride and chlorate(with C1%)                   0.05 max        

Heavy metal(calculated with Pb %)                 0.0005 max

 

Shape and Properties: This product is white crystal or powder, with density (7.5 degree /4 degree) 3.339 and melting point at 381 degree  (decomposed). Its water solubility is 37.4g at 25 degree, 90.9g at 100 degree. It does not dissolve in alcohol.

 

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.