It was first obtained in 1818 by the French chemist Louis Jacques Thénard by reacting barium peroxide with nitric acid. It is a pale blue compound that becomes colorless when diluted.
Sodium Hydrosulphite 88%
Sodium Persulphate
Sodium Metabisulphite
Sodium Percarbonate
It is used as an oxidizing and bleaching agent in the industry.
