КИСЛОТНЫЙ СИНИЙ 41

Химические свойства

purple to dark violet powder

Подготовка

1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and?N-(4-aminophenyl)-N-methylacetamide in copper salt and tied the presence of acid agents condensation, and then into sodium salt.

Свойства и приложения

blue. Dark blue powder, soluble in water, water solution without gathered at room temperature phenomenon. The strong sulfuric acid dyes for dark brown, after dilute for pink; In the nitric acid for brown (already break). The water solution is blue, add hydrochloric acid sodium hydroxide or after the same color. Discharge sex is bad, dyeing copper ions in the dark colored, iron ion in light and dark red. Used for wool, polyamide fiber, silk and wool blended fabric dyeing and printing directly, can also be used for leather and paper shading.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	5-6	2	2	4	2	2	2-3	2-3
AATCC	5	2	2	3	2	1	3	3