Zibo Hongwei Industry Co., Ltd.

Direct Black 56, Direct Black Grey Rln, Direct Grey Rln manufacturer / supplier in China, offering Direct Black 56, Direct Black Grey Rln, Direct Grey Rln, Direct Fast Grey Lbn, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Direct Black 56, Direct Black Grey Rln, Direct Grey Rln, Direct Fast Grey Lbn

Direct Black 56, Direct Black Grey Rln, Direct Grey Rln, Direct Fast Grey Lbn

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%
Colour:Black
Appearance:Powder
Usage:Paper, Ink, Leather, Textile
Application Material:Cotton, Viscose, Silk, Leather and Pulp Color.
Name:Direct Black 56
Content:100%
C.I.No.:C.I.34170
Molecular Formula:C36h22n7na3o10s3
Molecular Weight:877.77
CAS:8003-57-4
Trademark:hongwei
Specification:CE SGS
Origin:Shandong

Product Description

Name:C.I.Direct Black 56,C.I.34170

Molecular Structure: trisazo class
 
C.I.Direct Black 56,C.I.34170,CAS 8003-57-4,877.77,C36H22N7Na3O10S3,Direct Black Grey RLN,Direct Grey RLN,Direct Fast Grey LBN

Molecular Formula:C36H22N7Na3O10S3

Molecular Weight: 877.77

CAS Registry Number:8003-57-4

Manufacturing Methods : aniline diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling.
 
Mainly used for cotton, linen, silk, cellulose fiber fabrics such as glue the dyeing. Can also be used for leather, paper all the dyeing.
 
StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
FadingStainFadingStain
ISO344-53
2
AATCC355-63
4
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Zibo Hongwei Industry Co., Ltd.

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