dye|World dye variety

Name:C.I.Mordant Black 10,C.I.21720

Molecular Structure: Double azo class

C.I.Mordant Black 10,C.I.21720,CAS 6374-17-0,536.49,C26H17N4NaO6S,Acid Alizarine Black SE

Molecular Formula:C₂₆H₁₇N₄NaO₆S

Molecular Weight: 536.49

CAS Registry Number:6374-17-0

Manufacturing Methods : (a) 3,5-Diamino-4-chlorobenzenesulfboic acid double nitrogen, add people sodium hydroxide make show alkaline, so that the molecular of chlorine is hydroxyl replaced, then and Naphthalen-2-ol (2 Moore) coupling; (b)3,5-Diamino-4-hydroxybenzenesulfonic acid double nitrogen, and Naphthalen-2-ol (2 Moore) coupling

Properties and Applications: dark blue black. Soluble in water for skipper, slightly soluble in alcohol. In concentrated sulfuric acid for purple to red light blue, blue light red precipitation after dilution. Dye aqueous solution to join concentrated hydrochloric acid for cherry red, with red precipitation; Join concentrated sodium hydroxide solution for red light purple, and accompanied by black precipitation; Add 10% sodium hydroxide solution for blue.

List of Suppliers:

Acid Alizarine Black SE( Farbwerke vorm. Meister Lucius &Brtining )