Blue-green powder. Slightly soluble in water. Olive color in sodium sulfide solution. Dark blue in concentrated sulfuric acid, dark blue precipitate after dilution. Orange in alkaline insurance powder solution, oxidized to normal color.
IMMEDIAL BRILLIANT GREEN GB is mainly used for dyeing cotton, linen, viscose fibers, vinylon and their fabrics, as well as for direct printing on cotton fabrics, exhibiting excellent leveling properties. It is also used in combination with other sulfur dyes to dye colors such as dark green and crab blue, producing a bright and vibrant hue.