Name:C.I.Reactive Yellow 4,C.I.13190
Molecular Structure: Single azo class
C.I.Reactive Yellow 4,C.I.13190,CAS 12226-45-8,613.36,C20H12Cl2N6Na2O6S2,Reactive Yellow X-2GLC,Reactive Yellow X-R,Reactive Yellow X-RN
Molecular Formula:C20H12Cl2N6Na2O6S2
Molecular Weight: 613.36
CAS Registry Number:12226-45-8
Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and m-Toluidine coupling,and then 2,4,6-Trichloro-1,3,5-triazine (1 Moore) condensation.
Properties and Applications: red light yellow. Deep yellow powder, solubility of 40 g/L (50 ºC). Available in low temperature solid color, suitable for cold dye. High reactivity, can be in 20 to 40 ºC in alkaline medium solid color of the fibers, alkaline hydrolysis, not resistant to acid hydrolysis. Mainly used for cotton, silk, polyamide fiber and viscose, wool fiber dyeing and can be white. Can render cloth dyed ice dye printing.