Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Yellow 9,C.I.11720

Molecular Structure: Single azo

C.I.Pigment Yellow 9,C.I.11720,CAS 6486-24-4,354.36,C18H18N4O4,Azo Yellow 2GXPigment,Fast Yellow GRL

Molecular Formula:C₁₈H₁₈N₄O₄

Molecular Weight:354.36

CAS Registry Number:6486-24-4

Manufacturing Methods : 4-Methyl-2-nitrobenzenamine diazotization, and 3-Oxo-N-o-tolylbutanamide coupling

Properties and Applications:yellow. Yellow powder, melting point 23 ℃, fast fastness is very good. Good heat stability. Insoluble in water, also do not soluble in oleic acid and linoleic acid, soluble in ethanol for orange. In concentrated sulfuric acid to orange, orange yellow precipitation after dilution.

List of Suppliers:

Azo Yellow 2GX (Rolfes Colour Pigments International)

Pigment Fast Yellow GRL new(Leipziger Anilfabrik Beyer & Kegel GmbH)