Applications

In the manufacture of Phthalocyanine Green.
As a catalyst for organic and inorganic reactions.
In electrotyping bath for plating Cu on Al.
In tinting baths for iron and tin.
In photography as a fixer, desensitizer and reagent.
As mordant for dyeing and printing textiles.
As oxidizing agent for aniline dyestuffs.
In indelible, invisible and laundry-marking inks.
In metallurgy: in wet process for recovering mercury from ores and in refining copper, silver and gold. In pigments for glass and ceramics.
As feed additive, wood preservative and disinfectant.