Tartrazine

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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