dye|World dye variety

Name:C.I.Direct Blue 190,C.I.51305

Molecular Structure: oxazine class

C.I.Direct Blue 190,C.I.51305,CAS 6598-58-9,810.38,C30H14Cl4N4Na2O8S2,Diazol Light Pure Blue FFB

Molecular Formula:C₃₀H₁₄Cl₄N₄Na₂O₈S₂

Molecular Weight: 810.38

CAS Registry Number:6598-58-9

Manufacturing Methods : 4-Amino-4,-chlorodiphenylamine-2-sulfonic acid and 2,3,5,6-Tetrachlorocyclohexa-2,5 -diene-1,4-dione condensation, with hair smoke, and translated into two closed-loop sulfuric acid sodium salt.

Properties and Applications: bright blue.

List of Suppliers:

Diazol Light Pure Blue FFB( Francolor Pigments SA )