Description: solid molten or flake, brown red or yellow, soluble in water, slightly soluble

in alcohol, insoluble in ether, its aqueous solution is strong alkaline, easy to oxidize in air, toxic.

Usage: Used in the manufacture of sulphur dyes or dye intermediates, reducing agents, mordant. Used as ore flotation agent in metallurgical industry, hair removal agent in leather industry, cooking agent in paper industry. It is also widely used in pigment, rubber and other industries.

Packing: 25kg plastic woven bag.