Direct Brown 86
Name:C.I.Direct Brown 86,C.I.22030
Molecular Structure: Double azo class
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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