Other Name: Catonic Blue SD-GRL,Catonic Blue X-GRL,Catonic Blue XL-GRL,Catonic Brilliant Blue X-2RL Structure：
Molecular Formula:C₂₀H₂₆N₄O₆S₂/C₂₁H₂₇ClN₄O₃S
Molecular Weight: 482.57/450.98
Manufacturing Methods :  6-Methoxybenzo[d]thiazol-2-amine diazo, and N-ethyl-N-hydroxyethylaniline coupling, and then use dimethyl sulfate of quaternary ammonium salt.
Properties and Applications:  bright blue. Dark violet-colored powder. 20 ℃ in the solubility of water when for 40 g/L, water solution is blue. Acrylic dyeing for colourful blue, in under a dark red of tungsten. In 120 ℃ high temperature dyeing, colored light unchanged. In dyeing copper and iron ion colour and lustre micro have change. Compatibility value of three, the f value is 0.2. For dyed acrylic fiber, scattered the wool, acrylic fiber, the knitting flocking, knitted fabrics and carpet of dyeing and can be modified acrylic dyeing, or acrylic and two vinegar fiber and white color printing directly.