dye|World dye variety

Name:C.I.Acid Black 26:1,C.I.27075

Molecular Structure: Double azo class

C.I.Acid Black 26:1,C.I.27075,CAS 6262-084,711.68,C33H23N5Na2O7S2

Molecular Formula:C₃₃H₂₃N₅Na₂O₇S₂

Molecular Weight: 711.68

CAS Registry Number:6262-084

Manufacturing Methods : 2-(2-Methylanilino)-5-aminobenzenesulfonic acid diazo, and Naphthalen-1-amine, its products coupled diazo again, and 6-Hydroxynaphthalene-2-sulfonic acid coupling

Properties and Applications: navy blue light to dark. Soluble in water for red light purple, not soluble in ethanol and acetone. The strong sulfuric acid for black purple, diluted into a dark blue blue, and the emergence of black precipitation. In water solution to join 10% sodium hydroxide solution for dark purple

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