Usage

In the dye industry, it is used to synthesize organic intermediates and as an auxiliary agent in the preparation of sulfur dyes. In the leather industry, it is used for dehairing and tanning raw hides, and also for wastewater treatment. In the fertilizer industry, it is used to remove monomeric sulfur from activated carbon desulfurizers. It is a raw material for manufacturing ammonium sulfide and the pesticide ethanethiol semi-finished product. In the mining industry, it is used extensively in copper ore beneficiation. In the production of synthetic fibers, it is used for dyeing with sulfite, among other applications.