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Direct Brown 86

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

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.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 3 2 2 2-3

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