Direct Orange 33 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
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.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
ISO
3
5
4
1-2
1-2
Direct Orange 33 Upstream-Materialien And Downstream Produkte