Acid Red 323
Name:C.I.Acid Red 323,C.I.22238
Molecular Structure: Double azo class
Molecular Formula:C35H24N4Na2O10S3
Molecular Weight: 802.76
CAS Registry Number:6358-34-5
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with phenol and 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, then use 4-Methylbenzene-1-sulfonyl chloride make phenol hydroxyl esterification.
Properties and Applications: Brilliant red
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4 | 4-5 | 4 | 3-4 | 4 | 3 | 4-5 | 4 |
List of Suppliers:
Elite Fast Red R( Holliday L B & Co Ltd )