Zibo Hongwei Industry Co., Ltd.

Direct Red 23, Direct Scarlet 4BS, Direct Red 4BS manufacturer / supplier in China, offering Direct Scarlet 4BS, Direct Red 4BS, Direct Red 23, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Direct Scarlet 4BS, Direct Red 4BS, Direct Red 23

Direct Scarlet 4BS, Direct Red 4BS, Direct Red 23

FOB Price:US $4.5 / kg
Min. Order (kg) FOB Price
100+ US $4.5 / kg
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Min. Order: 100 kg
Port: Tianjin, China
Production Capacity: 5000mt/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info.

Colour:Red
Appearance:Powder
Usage:Paper, Ink, Leather, Textile, Paint
Application Material:Cotton, Viscose, Silk, Leather and Pulp Color.
Name:Direct Red 23
Content:200%
C.I.No.:29160
Molecular Formula:C35h25n7na2o10s2
Molecular Weight:813.73
CAS:3441-14-3
Trademark:HONGWEI
Transport Package:25kg/Bag
Specification:CE SGS
Origin:Shandong
HS Code:32041400

Product Description

Direct Scarlet 4BS, Direct Red 4BS, Direct Red 23
Direct Scarlet 4BS, Direct Red 4BS, Direct Red 23Name:C.I.Direct Red 23,C.I.29160

Molecular Structure: Double azo class
 
C.I.Direct Red 23,C.I.29160,CAS 3441-14-3,813.73,C35H25N7Na2O10S2,Direct Scarlet 4BS,Direct Red B,Direct Fast Scarlet 4BS,Solophenyl Scarlet RS

Molecular Formula:C35H25N7Na2O10S2

Molecular Weight: 813.73

CAS Registry Number:3441-14-3

Manufacturing Methods : aniline and N-(4-aminophenyl)acetamide diazo respectively, and N,N'-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling.
 
Mainly used in viscose cellulose fiber dyeing, also can be used for silk, wool, paper and pulp dyeing.
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