Name:C.I.Basic Yellow 51,C.I.480538C.I.Basic Yellow 51,C.I.480538,CAS 83949-75-1,403.5,C20H25N3O4S,Astrazon Yellow 5GL,Catonic Yellow SD-5GL,Catonic Yellow X-5GLCatonic Yellow XL-5GL,Catonic Yellow X-2GMolecular Formula:C20H25N3O4SMolecular Weight: 403.5CAS Registry Number:83949-75-1 Properties and Applications: colourful green light yellow.cationic yellow X-5GL is used for dyeing and printing acrylic fiber and its blended fabric, resulting in bright green yellow.StandardLight FastnessPersperation FastnessIroning FastnessSoapingFadingStainFadingStainFadingStainAATCC54-5555