... reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent.Photographic industry ... Tetraethyl lead, also used in the manufacture of such as dye intermediates and ore mention silver etc. Industrial/electroplating industry ... bleach off agent, dyed wool fabric of sulfur dye, indigo dye the white agents, pulp take off chlorine agent, ...