Ammonium persulphate is a substance in the form of colorless crystals. It is obtained by electrolysis of a saturated ammonium sulfate solution in sulfuric acid. In the food industry it is used as an additive, in particular, it improves the quality of flour. The ammonium salt of peroxodisulfuric acid is also used in the production of latex, rubber, plastic, as well as in the processing of printed circuit boards. Main characteristics: density - 1,982 g / cm3; well soluble in water; stored dry for an unlimited time; decomposition temperature: 120 ° C; in contact with water, releases ozone and oxygen; strong oxidizing agent.