Mordant Yellow 20
Name:C.I.Mordant Yellow 20,C.I.14110
Molecular Structure: Single azo class
C.I.Mordant Yellow 20,C.I.14110,CAS 6471-07-4,518.36,C17H9N2Na3O9S2,Bemachrome Yellow RSW,Fabrichrome Yellow RSW
Molecular Formula:C17H9N2Na3O9S2
Molecular Weight: 518.36
CAS Registry Number:6471-07-4
Manufacturing Methods : 7-Aminonaphthalene-1,3-disulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling.
Properties and Applications: dark red light yellow. Soluble in water for green light yellow, insoluble in other organic solvent. In concentrated sulfuric acid for brown light orange, dilution after green yellow. Dye aqueous solution and concentrated hydrochloric acid for yellow; Sodium hydroxide solution with strong to orange.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 5 | 4 | 5 | 5 | 5 | |
| AATCC | 4 | 6 | 4-5 | 5 | 5 | 5 | |
List of Suppliers:
Bemachrome Yellow RSW ( Berncolors-Poughkeepsie Inc )
Bemachrome Yellow RSW (Classic Dyestuffs Inc)
Chrome Yellow RSW ( Global Colors Inc. )
Fabrichrome Yellow RSW( Fabricolor Inc. )