Zibo Hongwei Industry Co., Ltd.

Direct Black 22, Direct Black L-2bg, Direct Black Vsf manufacturer / supplier in China, offering Direct Black 22, Direct Black L-2bg, Direct Black Vsf, Direct Fast Black Gf, Direct Fast Black Ggb, Direct Fast Black Vsf, Direct Fast Black Vsf 600, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Direct Black 22, Direct Black L-2bg, Direct Black Vsf, Direct Fast Black Gf, Direct Fast Black Ggb, Direct Fast Black Vsf, Direct Fast Black Vsf 600

Direct Black 22, Direct Black L-2bg, Direct Black Vsf, Direct Fast Black Gf, Direct Fast Black Ggb, Direct Fast Black Vsf, Direct Fast Black Vsf 600

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 22
Content:100%
C.I.No.:C.I.35435
Molecular Formula:C44h32n13na3o11s3
Molecular Weight:1083.97
CAS:6473-13-8
Trademark:hongwei
Specification:CE SGS
Origin:Shandong

Product Description

Name:C.I.Direct Black 22,C.I.35435

Molecular Structure: Multi-azo class
 
C.I.Direct Black 22,C.I.35435,CAS 6473-13-8,1083.97,C44H32N13Na3O11S3,Direct Black L-2BG,Direct Black VSF,Direct Fast Black GF,Direct Fast Black GGB,Direct Fast Black VSF,Direct Fast Black VSF 600,Solophenyl Black FGE

Molecular Formula:C44H32N13Na3O11S3

Molecular Weight: 1083.97

CAS Registry Number:6473-13-8

Manufacturing Methods :  5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  (2 Moore) coupled, then double nitriding, and Benzene-1,3-diamine (2 Moore) coupled.
 
Mainly used for cotton, viscose, wool/stick,nylon/rayon blended fabric dyeing and printing, also used in leather and paper dyeing.
 
StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
FadingStainFadingStain
ISO5443
3
AATCC54-55-63
3
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Zibo Hongwei Industry Co., Ltd.

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