5850-86-2

Acid Orange 8 is a dye/stain. Dyes and metabolites.

4-Amino-3-methylbenzenesulfonic acid?diazo, and Naphthalen-2-ol coupling.

Nonflammable(100%)

red light orange. For red orange is soluble in water, soluble in soluble fiber element, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for blue-ray in red, yellow and orange solution diluted into and precipitation; In nitric acid solution for wine red and then into orange. Its water solution and strong hydrochloric acid is cherry red; Add sodium hydroxide with brown precipitation. Used for wool, silk, cotton, vinegar, polyamide fiber and fiber dyeing. Also used for paper, leather dyeing, the heavy metal salt used in organic pigments.

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

Salt it out three times with sodium acetate, then extract it repeatedly with EtOH and dry.