C.I.Reactive Blue 13,C.I.181575,CAS 12236-84-9,866.06,C29H16ClN7Na4O14S4,Reactive Blue brilliant K-3RL,Reactive navy blue K-R,Reactive Blue brilliant K-R

Molecular Formula:C₂₉H₁₆ClN₇Na₄O₁₄S₄

Molecular Weight: 866.06

CAS Registry Number:12236-84-9

Manufacturing Methods : 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid and 2,4,6-Trichloro-1,3,5-triazine first condensation, 3-Amino-4-hydroxynaphthalene-1,5-disulfonic acid diazo, and the generation of condensation product matches, and copper sulfate, sodium acetate and hydrogen peroxide complexation, four and salting-out.

Properties and Applications: blue. Dark blue powder, soluble in water, not sensitive to that fights. The strong sulfuric acid for pure blue, diluted into a navy; In the nitric acid for brown. Water solution is blue purple, add 1 Moore sodium hydroxide solution for blu-ray is purple, continue to join insurance powder and warm, no changes, add a boric acid sodium to bright blue. In 20 ºC dye the solubility of 110 g/L; 50 ºC when solubility of 140 g/L. The red light blue staining for in light of copper (micro have change (4~ 5), white sex medium. Used for cotton, viscose, wool, silk and fabric dyeing and printing continuous rolling directly..