Name: C.I.Basic Yellow 19Molecular Structure: Single azo class

　　黃19CAS Registry Number: 12768-85-31.Properties and Applications: red light yellow. Deep yellow powder. Compatibility value 2, f value of 0.30, easily soluble in water. A red light yellow acrylic dyeing, tungsten filament in a red light. If in 120℃when dyeing, colour and lustre is unchanged. Copper ions in dyeing color slightly change, meet iron ion colour and lustre micro have change, encounter chromium ion colour and lustre is unchanged. Mainly used for the acrylic fiber, compared acrylic fibers and scattered acrylic line of dyeing, also can directly to acrylic fabric printing.

　　Standard

　　Light Fastness

　　Persperation Fastness

　　Ironing Fastness

　　Soaping

　　Fading

　　Stain

　　Fading

　　Stain

　　Fading

　　Stain

　　ISO

　　7

　　5

　　5

　　5

　　5

　　2.International similar brand:

　　Maxilon Yellow 2RL

　　Catonic Dark Yellow 2RL

CAS NO:12768-85-3

EC NO:

Molecular Formula:C₁₇H₁₉N₅O₇S₂

Molecular Weight: 469.48

Synonyms:;Basic Yellow 19;

Molecular Structure: