Acid Black 26:2
Name:C.I.Acid Black 26:2,C.I.26690
Molecular Structure: Double azo class
Molecular Formula:C32H21N5Na2O7S2
Molecular Weight: 697.65
CAS Registry Number:6406-45-7
Manufacturing Methods : 5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.
Properties and Applications: navy blue light to dark. Soluble in water for red light navy blue, in very low in alcohol solubility. The strong sulfuric acid for blue-ray black, diluted into the opacity of the navy blue. In water solution to join 10% of sulfuric acid as green; Add 10% of sodium carbonate solution to the color no effect.
List of Suppliers:
Nerol 2B( Aktiengesellschaft für Anilin-Fabrikation )