Acid Black 41 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-Nitrobenzenamine diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 4-Aminobenzenesulfonic acid to diazo, in alkaline conditions and formation of single accidentally coupled nitrogen compounds.
Properties and Applications
blue and black. Soluble in water as dark blue to blue-black, easily soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid for dark olive green to, diluted as dark blue precipitation; In nitric acid for green precipitation, and then into a chestnut; In 10% of sodium hydroxide solution for light blue solution. In water solution to join strong hydrochloric acid for dark blue; Add sodium hydroxide solution as dark blue.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
5
2
4-5
1-2
2
2-3
AATCC
6-7
2
1
1
Acid Black 41 Upstream-Materialien And Downstream Produkte
