dye|World dye variety

Name:C.I.Direct Orange 33,C.I.22385/23385

Molecular Structure: Double azo class

C.I.Direct Orange 33,C.I.22385/23385,794.66,C33H21N6Na3O10S2,Toluylene Orange GL

Molecular Formula:C₃₃H₂₁N₆Na₃O₁₀S₂

Molecular Weight: 794.66

CAS Registry Number:

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and 3-(3-Methyl-5-oxo-4-,5-dihydropyrazol-1-yl)naphthalene-1,5-disulfonic acid coupling, 3,3′-Dimethylbenzidine diazo, respectively with the 2,4-Diamino-5-methylbenzenesulfonic acid and 4-Methylsalicylic acid coupling.

Properties and Applications:  yellow orange. Soluble in water for golden brown, soluble in ethanol. The strong sulfuric acid for product red to brown, diluted blue for Tracy. dye solution was added concentrated hydrochloric light olive brown yellow, with precipitation; adding concentrated sodium hydroxide solution was orange-brown.

List of Suppliers:

Toluylene Orange GL( Bayer Group )