Reactive Orange 7
Name:C.I.Reactive Orange 7,C.I.17756
Molecular Structure: Single azo class
Molecular Formula:C20H17N3Na2O11S3
Molecular Weight: 617.54
CAS Registry Number:12225-83-1
Manufacturing Methods : 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, and 6-Acetamido-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: Brilliant yellow red. Orange powder, insoluble in water, soluble good. The strong sulfuric acid for big red, diluted into orange; For orange in nitric acid, no change after diluted. Water solution is orange red. Add 1 Moore to deep red sodium hydroxide solution, continue to join insurance powder and warm, to light yellow, add a boric acid sodium can’t restored to the original color. Used for cotton, viscose, linen, silk, wool, nylon and polyvinyl alcohol dip, dyeing, pad dyeing, also suitable for the fiber directly, anti-pollution, discharge printing..
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 5-6 | 5 | 5 | 5(75℃) | 4-5 |
List of Suppliers:
Monazol Orange 2R (Monarch Dyestuffs Industries)
Reactive Brilliant Orange KN-4R(Sinochem Ningbo Imp & Exp Corp)
Reactive Orange 2R( Metrochem Industries Ltd )
Remazol Brilliant Orange RR( Hoechst A G )
Vipazol Orange 2R( Vipul Dye-Chem Ltd )
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