Zibo Hongwei Industry Co., Ltd.

Direct Black 170, Direct Black E-Nb, Direct Black E-Nbp Supra manufacturer / supplier in China, offering Direct Black 170, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Direct Black 170

FOB Price:US $2 / kg
Min. Order (kg) FOB Price
300+ US $2 / kg
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Min. Order: 300 kg
Production Capacity: 2000mt/Year
Transport Package: 25kg/Drum, 25kg/Bag
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info.

Model NO.:100%
Usage:Paper, Ink, Leather, Textile
Application Material:Cotton, Viscose, Silk, Leather and Pulp Color.
Name:Direct Black 170
Molecular Formula:C35h25n9na2o9s2
Molecular Weight:825.74
Specification:CE SGS

Product Description

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

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.
Used for cellulose fiber dyeing and printing of, also can be used for leather shading.
StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
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Zibo Hongwei Industry Co., Ltd.

- Shandong, China
- Manufacturer/Factory

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