Acid Yellow 26
Name:C.I.Acid Yellow 26,C.I.13105
Molecular Structure: Single azo class
Molecular Formula:C18H13ClN3NaO3S.nNO2
Molecular Weight:
CAS Registry Number:8007-62-3
Manufacturing Methods : 5-Amino-2-chlorobenzenesulfonic acid diazo, with Diphenylamine coupling, then treated with sodium nitrite to form N-nitroso derivative, then nitrated, and finally with sodium bisulfite to off nitroso.
Properties and Applications: yellow. Used for wool, silk, vinegar and cotton fiber dyeing. Also used in leather dyeing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 2 | 3 | 3 | 2 | 1-2 | 2-3 |
List of Suppliers:
Acid Yellow R( Multicrom SA )
Silk Yellow GF( IG Farbenindustrie AG )