Direct Green 55 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid matches, will the nitro reduction, and then will get the amino nitrogen compounds for light accidentally gasification.
Properties and Applications
dark green light blue. Soluble in water for dark blue light red, hardly soluble in alcohol. The strong sulfuric acid for hidden cyan, diluted green light for blue. The dye solution to join strong hydrochloric acid for hidden cyan, have precipitation; Add thick sodium hydroxide solution for red light purple.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
AATCC
3
5
4
2-3
3-4
Direct Green 55 Upstream-Materialien And Downstream Produkte