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
Get Latest Price
Min. Order: 100 KG
Production Capacity: 5000mt/Mon
Transport Package: 25kg/Bag
Payment Terms: L/C, T/T, D/P, Paypal

Request a custom order and have something just for you!

Send Customized Request

Basic Info.

Model NO.:100%
Usage:Paper, Ink, Leather, Textile
Application Material:Used for Cotton Dyeing

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
ISO4432 2 
Send your message to this supplier
Mr. Jacky
To Mr. Jacky
Enter between 20 to 4,000 characters.
This is not what you are looking for? Post a Sourcing Request Now

Zibo Hongwei Industry Co., Ltd.

- Shandong, China
- Manufacturer/Factory

Gold Member Since 2013
Audited Supplier
  • Sample Available
  • OEM/ODM Service
  • Spanish Speaker