Acid Blue 9

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Acid Blue 9
Posting date : Nov 06, 2012
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32-
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Product:Erioglaucine disodium salt;Acid Blue 9;Alphazurine FG;C.I. Food Blue2,C.I. 42090 Molecular Formula: C37H34N2Na2O9S3 Relative Molecular Mass: 792.85 CAS Number 3844-45-9 HS Code 3204120000 Character: Red purple powder or particles uniform, with metal luster, soluble in water, green light blue solution, melting point 283 ℃. Condition of Storage: Stored in seal Package: In cardboard barrels of 25kg. Usage: Water-based ink, inkjet, waterborne wood paint manufacturing;apply to food toning, naphthalene coloring, cosmetics, detergent, feed pesticide, swimming pool fountain palette, etc. Specifications Criteria Requirement Appearance Fine Particles Product Color Blue Identity(conform to standard) IR-Spectroscopy Shade DE<1.0 Dyeing on Silk,D.P. 250% Strength Optical Density, O.P.630nm 100±5% Subsidiary Coloring Matters <6.0% Assay(Total Color) 75-80% Ethyl Extractable Matter <0.2% Water Content <7% Water Insoluble Matter <0.2% PH Value 3.5-7.5 Solubility Clear Solution, no particles Cadmium(Cd) Atomic Absorption spec. ≤1mg/kg Lead (Pb) ≤10mg/kg Mercury(Hg) ≤1mg/kg Chromium(Cr) ≤25mg/kg Arsenic(As) ≤1mg/kg Manganese(Mn) ≤25mg/kg Iron(Fe) ≤500mg/kg

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