Zibo Hongwei Industry Co., Ltd.

Direct Dyes, Direct Blue 3, Reactive Dye manufacturer / supplier in China, offering Cibacet Blue Bn, Direct Blue 3, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Cibacet Blue Bn, Direct Blue 3

Cibacet Blue Bn, Direct Blue 3

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%
Usage:Paper, Ink, Leather, Textile
Application Material:Cotton Textile

Product Description

Name:C.I.Direct Blue 3,C.I.23705

Molecular Structure: Double azo class

C.I.Direct Blue 3,C.I.23705,CAS 2329-72-3,741.70,C34H25N5Na2O8S2,Cibacet Blue BN

Molecular Formula:C34H25N5Na2O8S2

Molecular Weight: 741.70

CAS Registry Number:2329-72-3

Manufacturing Methods :  3,3′-Dimethylbenzidine double nitriding, first in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 4-Hydroxynaphthalene-1-sulfonic acid coupling.

StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
ISO4411-2 2 
AATCC52-323 2 
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Zibo Hongwei Industry Co., Ltd.

- Shandong, China
- Manufacturer/Factory

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