Zibo Hongwei Industry Co., Ltd.

Direct Red, Direct Red 1, Dyetuff manufacturer / supplier in China, offering Direct Fast Red F, Direct Red 1, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Direct Fast Red F, Direct Red 1

Direct Fast Red F, Direct Red 1

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, Paypal

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Basic Info.

Model NO.:100%
Usage:Paper, Ink, Leather, Textile

Product Description

Name:C.I.Direct Red 1,C.I.22310

Molecular Structure: Double azo class

C.I.Direct Red 1,C.I.22310,CAS 2429-84-7,591.84,C30H19N5Na2O6,Direct Red F,Congo red,Congo red F,Direct Fast Red F

Molecular Formula:C30H19N5Na2O6

Molecular Weight: 591.84

CAS Registry Number:2429-84-7

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, again in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
ISO3-442-32 2 
AATCC4442 3-4 
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Zibo Hongwei Industry Co., Ltd.

- Shandong, China
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