Chemical Name:2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9- yl)benzoate ,dissodium salt
Molecular Weight:879.86
Molecular Formulat:C20H6I4Na2O5
Stability to Light:Poor
Dye Content    ≥85.0%
Loss on drying, sodium chlorides & sulphates    ≤14.0%
Water Insoluble Matter    ≤0.2%
Subsidiary Dyes    ≤3.0%
Arsenic(as As)    ≤1ppm
Heavy Metals(as Pb)    ≤20ppm
Sodium Iodide    ≤0.4%



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