Acid Orange 128
Name:C.I.Acid Orange 128
Molecular Structure: Double azo class
Molecular Formula:C26H22N4Na2O8S2
Molecular Weight: 628.58
CAS Registry Number:12269-97-5
Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, coupled with phenol, then etherification.
Properties and Applications: bright yellow orange.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 7-8 | 4 | 4-5 | 4-5 | 4-5 |
List of Suppliers:
Merpacyl Orange R ( du Pont E.I. de Nemours & Co. Inc. )
Nylanthrene Orange GL(Yorkshire Group pic)