Zibo Hongwei Industry Co., Ltd.

Direct Dyes, Direct Red 4, Reactive Dye manufacturer / supplier in China, offering Fast Scarlet Gsx, Direct Red 4, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Fast Scarlet Gsx, Direct Red 4

Fast Scarlet Gsx, Direct Red 4

FOB Price:US $1 / kg
Min. Order (kg) FOB Price
100+ US $1 / kg
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Min. Order: 100 kg
Production Capacity: 5000mt/Mon
Transport Package: 25kg/Bag
Payment Terms: L/C, T/T, D/P

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Basic Info.

Model NO.:100%
Colour:Red
Appearance:Powder
Usage:Paper, Ink, Leather, Textile
Application Material:Cotton Textile
Trademark:hongwei
Origin:Shandong

Product Description

Name:C.I.Direct Red 4,C.I.29165

Molecular Structure: Double azo class


C.I.Direct Red 4,C.I.29165,CAS 6420-41-3,908.78,C37H23N6Na3O12S3,Primula Scarlet GSH,Fast Scarlet GSX

Molecular Formula:C37H23N6Na3O12S3

Molecular Weight: 908.78

CAS Registry Number:6420-41-3

Manufacturing Methods : 6-Aminonaphthalene-2-sulfonic acid diazo, in acid conditions and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, aniline diazo again, in alkaline conditions and coupled product matches.

StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
FadingStainFadingStain
ISO4-54-52-32
2
AATCC4-54-523
3
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Zibo Hongwei Industry Co., Ltd.

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