dye|World dye variety

Name:C.I.Direct Brown 86,C.I.22030

Molecular Structure: Double azo class

C.I.Direct Brown 86,C.I.22030,CAS 6486-30-2,559.58,C28H22N7NaO3S

Molecular Formula:C₂₈H₂₂N₇NaO₃S

Molecular Weight: 559.58

CAS Registry Number:6486-30-2

Manufacturing Methods :  4-(4-Aminophenyl)benzenamine double nitriding, which in turn and Benzene-1,3-diamine and 4-Aminonaphthalene-1-sulfonic acid matches.

Properties and Applications: brown. The strong sulfuric acid in the dark for the light blue, red blue after diluted precipitation; In nitric acid solution for brown. The dye solution to join the sodium hydroxide solution with the same color.

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