Direct Brown 7 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-(4-Aminophenyl)benzenamine double nitriding, and 2,4-Diamino-5-methylbenzenesulfonic acid coupling, and then and 4-Aminobenzenesulfonic acid?diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.
Properties and Applications
brown. Soluble in water for orange brown, soluble in ethanol is palm yellow light. The strong sulfuric acid for sauce red to red light brown, for yellow brown after diluted. The dye solution to join strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
AATCC
1
4
2
3
2
Direct Brown 7 Upstream-Materialien And Downstream Produkte
