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Direct Black 170

Name:C.I.Direct Black 170

Molecular Structure: trisazo class

C.I.Direct Black 170,CAS 43151-71-9/86167-73-9,825.74,C35H25N9Na2O9S2,Direct Black E-NB,Direct Black E-NBP Supra,Direct Black GX-NBP

C.I.Direct Black 170,CAS 43151-71-9/86167-73-9,825.74,C35H25N9Na2O9S2,Direct Black E-NB,Direct Black E-NBP Supra,Direct Black GX-NBP

Molecular Formula:C35H25N9Na2O9S2

Molecular Weight: 825.74

CAS Registry Number:43151-71-9/86167-73-9

Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitriding, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupled, aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid group of neighborhood, again with a coupling 2-Aminophenol coupling.

Properties and Applications: black. Used for cellulose fiber dyeing and printing of, also can be used for leather shading.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 3-4 3-4 2-3 4 3

List of Suppliers:

Shandong Qing Shun Chemical Co., Ltd.

Tianjin Yadong Group

ACDI Direct Black GX-NB 200% (Aakash Chemicals & Dyestuffs Inc)

ACDI Walnut Cryst.(Aakash Chemicals & Dyestuffs Inc)

Direct Black E-NB ( Indo Colchem Ltd )

Direct Black E-NB (Yorkshire Group pic)

Direct Black E-NBP Supra (Yorkshire Group pic)

Direct Black GX-NB ( Greenwood Products Inc. )

Direct Black GX-NB (Yorkshire Group pic)

Direct Black GX-NBP (Yorkshire Group pic)

Dyrite Black GX-NB ( Rite Industries Inc. )

Fabramine Black GB-NB ( Fabricolor Inc. )

Fabramine Black SBF Hi Conc. ( Fabricolor Inc. )

Intrabond Liquid Black E-SE (Yorkshire Group pic)

Intrabond Paper Black ERN (Yorkshire Group pic)

Kemanarect Black ENB ( Karsandas Mavji )

Leadirect Black GX-NB Conc/Supra( Leadertech Colors Inc. )

MVdirect Black GXOO-NB ( MV Products Inc. )

Orcomine Black GX-NB 200% ( Organic Dyestuffs Corp )

Vilmamin BlackNNB( Vilmax SA )


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