dye|World dye variety

Name:C.I.Mordant Blue 78,C.I.14835

Molecular Structure: Single azo class

C.I.Mordant Blue 78,C.I.14835,CAS 3746-79-0,502.43,C20H12N2Na2O7S2,Chromacid Navy Blue 4B,Serichrome Blue R

Molecular Formula:C₂₀H₁₂N₂Na₂O₇S₂

Molecular Weight: 502.43

CAS Registry Number:3746-79-0

Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazotization, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications: blue light red. Soluble in water for product red, slightly soluble in ethanol, Acetone, Cellosolve, insoluble in other organic solvent. In concentrated sulfuric acid to red light blue, dilution after peachblossom solution, and accompanied by precipitation; In concentrated nitric acid for orange solution, and then to yellow. Dye aqueous solution to join concentrated hydrochloric acid for magenta; Join strong caustic for magenta

List of Suppliers:

Chromacid Navy Blue 4B ( S A des Ets. Steiner )

Serichrome Blue R( Allied chemical Corporation)