Acid Red 444
Name:C.I.Acid Red 444,C.I.22893
Molecular Structure: Double azo class
Molecular Formula:C32H18N4Na4O14S4
Molecular Weight: 902.73
CAS Registry Number:89735-10-4
Manufacturing Methods : 2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 6-Hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.
Properties and Applications: colourful red yellow light.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4-5 |
List of Suppliers:
Acid Fast Red I( Colorom SA )