Sulphur yellow 2

Chemical Properties

Yellowish brown powder. Insoluble in water, brownish yellow when dissolved in sodium sulfide solution. Partially soluble in concentrated sulfuric acid, yellow precipitate when diluted. Slightly discolored in alkaline insurance powder solution, all discoloration in sodium hypochlorite, turns dark orange in concentrated sulfuric acid.

Uses

Sulphur yellow 2 is mainly used for dyeing cotton, linen, viscose fibers, and vinylon, and also for leather coloring. It can be used for color mixing, producing shades such as grass green, beige, ginger yellow, yellowish brown, dark brown, dark green, and dark gray.

Definition

ChEBI: Cyclooctasulfur is a homomonocyclic compound composed of eight sulfur atoms. It has been isolated from Ganoderma lucidum, a mushroom commonly used in Chinese medicine. It has a role as a fungal metabolite and a bacterial metabolite. It is an elemental sulfur and a homomonocyclic compound.

Properties and Applications

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
						Moderate	Severe
ISO	3-4	4	2	4	4-5	4	3
AATCC	4	5	3	2			2