dye|World dye variety

Name:C.I.Mordant Black 52,C.I.17520

Molecular Structure: Single azo class

C.I.Mordant Black 52,C.I.17520,CAS 6222-51-1,502.43,C22H15N4NaO7S,Diamond Blue Black R

Molecular Formula:C₂₂H₁₅N₄NaO₇S

Molecular Weight: 502.43

CAS Registry Number:6222-51-1

Manufacturing Methods : 2-Amino-4-nitrophenol diazotization, in alkaline condition and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: blue black. Soluble in water for magenta, right amount soluble in ethanol for orange brown. In concentrated sulfuric acid for magenta, dilution after red brown. Dye aqueous solution to join concentrated hydrochloric acid have bordeaux red precipitation; Join concentrated sodium hydroxide solution for brown light magenta precipitation.

List of Suppliers:

Diamond Blue Black R ( Bayer Group )