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Tartrazine

Tartrazine

Tartrazine
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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: Orange
Stability to Light:Good
Oxidation:FairOdorlessLight
 
 
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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