Zibo Hongwei Industry Co., Ltd.

Direct Black 166, Direct Black Nb, Direct Black Nbn manufacturer / supplier in China, offering Direct Black 166, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Direct Black 166

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 166
Molecular Formula:C35h26n10na2o8s2
Molecular Weight:824.76
Specification:CE SGS

Product Description

Name:C.I.Direct Black 166,C.I.30026

Molecular Structure: trisazo class
C.I.Direct Black 166,C.I.30026,CAS 57131-19-8,824.76,C35H26N10Na2O8S2,Direct Black NB,Direct Black NBN,Direct Black TRN,Direct Fast Black B

Molecular Formula:C35H26N10Na2O8S2

Molecular Weight: 824.76

CAS Registry Number:57131-19-8

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, a coupling again with Benzene-1,3-diamine coupling.
Used for cellulose fiber dyeing and printing, also can be used for leather dyeing
StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater

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Zibo Hongwei Industry Co., Ltd.

- Shandong, China
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