Vat Yellow 23
Name:C.I.Vat Yellow 23,C.I.65420
Molecular Structure: anthraquinones
C.I.Vat Yellow 23,C.I.65420,CAS 6370-78-1,814.80,C50H30N4O8,Sandothrene Yellow 2GW
Molecular Formula:C50H30N4O8
Molecular Weight: 814.80
CAS Registry Number:6370-78-1
Manufacturing Methods : N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide (2 Moore) with Isophthaloyl dichloride acylation.
Properties and Applications: brilliant yellow to red light yellow. In alkaline insurance powder solution for purplish red color; In the acidic insurance powder solution for red light brown. Unlike structure C.I. Vat Yellow 17.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 3-4 | 5 | 5 | 2 | 4-5 | 5 | 5 |
List of Suppliers:
Sandothrene Yellow 2GW( Sandoz Ltd )