Zibo Hongwei Industry Co., Ltd.

Direct Dyes, Direct Orange 4, Reactive Dye manufacturer / supplier in China, offering Pyramine Orange R, Direct Orange 4, Acid Cellulase, Neutral Cellulase, Acid Cellulase Enzyme, Textile Enzyme and so on.

Supplier Homepage Product List direct dyes Pyramine Orange R, Direct Orange 4

Pyramine Orange R, Direct Orange 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, Paypal

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Basic Info.

Model NO.:100%
Colour:Orange
Appearance:Powder
Usage:Paper, Ink, Leather, Textile
Application Material:Used for Cotton Dyeing
Mf:C24h18n10na2o10s2
Trademark:HONGWEI
Origin:Shandong

Product Description

Name:C.I.Direct Orange 4,C.I.22920

Molecular Structure: Double azo class

C.I.Direct Orange 4,C.I.22920,CAS 3626-38-8,716.57,C24H18N10Na2O10S2,Pyramine Orange R

Molecular Formula:C24H18N10Na2O10S2

Molecular Weight: 716.57

CAS Registry Number:3626-38-8

Manufacturing Methods : 4,4′-Diamino-3,3′-Biphenyldisulfonic acid double nitriding, and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.

Properties and Applications: bright orange. Moderate soluble in water for palm light orange, slightly soluble in ethanol for golden brown. The strong sulfuric acid for golden brown. After diluted for orange brown. The dye solution to join strong hydrochloric acid for orange heavy red light brown, have precipitation; Add thick sodium hydroxide solution for orange light brown, have precipitation. Can be used for cotton dyeing, good levelness. Neutral and alkaline white good to very good.

StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWater
FadingStainFadingStain
ISO4432
2
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Zibo Hongwei Industry Co., Ltd.

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