Description
Chemical Name:Bis[4-(N-ethyl-N-3-sulfophenylmethyl)aminophenyl]-2- sulfophenylmethylium disodium salt
Molecular Weight:792.86
Molecular Formulat:C37H34N2Na2O9S3
Color:Bluish Violet
Odor:Odorless
Stability to Light:Good
Oxidation:Poor
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
