Where to buy Brilliant Blue

Brilliant Blue is Blue powder, the blue color is close to resrore RSN.it is Soluble in water shows blue. Light fastness and weather resistance (color) fastness quality. Resistance to smoke (color) fastness is poor.
Usages: Brilliant Blue is mainly used for cotton, linen dyed.
Molecular formula: C22H16N2Na2O11S3
Specification         
Dye Content        ≥85.0%
Loss on drying     ≤10.0%
Water Insoluble Matter     ≤0.2%
Total Sodium Chlorides & sulphates       ≤4.0%
Ether Extract       ≤0.3%
Subsidiary Dyes   ≤6.0%
Arsenic(as As)     ≤1ppm
Heavy Metals(as Pb)   ≤10ppm
Chromium(as Cr)       ≤50ppm
Manganese(as Mn)     ≤50ppm
More information: wholesale + Brilliant Blue 
Read more: http://www.natural-food-color.com/