Tartrazine
Chemical Name:Trisodium 5-hydroxyl-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-Carboxylate
Molecular Weight:534.37
Molecular Formulat:C16H9N4Na3O9S2
Color:Light Orange
Odor:Odorless
Stability to Light:Good
Oxidation:Fair
Specification:
Dye Content ≥85.0%
Loss on drying, sodium chlorides & sulphates ≤15.0%
Water Insoluble Matter ≤0.3%
Subsidiary Dyes ≤1.0%
Arsenic(as As) ≤1ppm
Heavy Metals(as Pb) ≤10ppm
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