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必应染料-您身边的染料专家

Direct Black 86

Name:C.I.Direct Black 86,C.I.24115

Molecular Structure: Double azo class

C.I.Direct Black 86,C.I.24115,CAS 6449-34-9,772.72,C34H26N6Na2O9S2,Diazo Fast Black B

C.I.Direct Black 86,C.I.24115,CAS 6449-34-9,772.72,C34H26N6Na2O9S2,Diazo Fast Black B

Molecular Formula:C34H26N6Na2O9S2

Molecular Weight: 772.72

CAS Registry Number:6449-34-9

Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, first with 8-Aminonaphthalene-2-sulfonic acid coupling, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid   coupling.

Properties and Applications:  blue and black. Soluble in water for violet black, soluble in ethanol purplish red color to red sauce. In the strong sulfuric acid as dark blue, for purple diluted. The dye solution with strong hydrochloric acid as dark blue, precipitation; Add thick sodium hydroxide solution for red sauce, precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 5 5 4 3 3-4

List of Suppliers:

Diazo Fast Black B(  Bayer Group )


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