dye|World dye variety

Name:C.I.Mordant Black 106,C.I.20320

Molecular Structure: Double azo class

C.I.Mordant Black 106,C.I.20320,CAS 5850-21-5,596.44,C23H14N6Na2O9S,Chrome Black O,Diamond Black PG

Molecular Formula:C₂₃H₁₄N₆Na₂O₉S

Molecular Weight: 596.44

CAS Registry Number:5850-21-5

Manufacturing Methods : 2-Aminobenzoic acid and 2-Amino-4-nitrophenol diazotization, respectively under acid condition and basic conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

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

List of Suppliers:

Barvachrome Black O ( Joint Stock Company ‘Coioros’ )

Chrome Black O( AOOT Khimprom )

Diamond Black PG extra( Bayer Group )

Gryfochrome Black O( Ciech SA )