Used as a bleaching agent in the food industry. It is mainly used for candied products. The aqueous solution of sodium chlorite has a stable bleaching ability under acidic conditions and can be bleached after adjusting the pH value to 3-5 by adding citric acid. Corrosion-resistant containers are required for bleaching, and metal containers are not allowed
Sodium chlorite can be used as an oxidizing agent and bleaching agent for cotton spinning, flax, pulp bleaching, food disinfection, water treatment, sterilizing algae, and fish medicine manufacturing. Sodium chlorite can also be used for bleaching and refining of sugar, flour, starch, oil, and wax, and for surface treatment of certain metals. Sodium chlorite generally has two properties: solid and liquid. Liquid sodium chlorite is a dangerous chemical that will explode violently when it encounters acid, acidic substances, or reducing substances, so attention must be paid. Sodium chlorite can be used as a raw material for preparing chlorine dioxide. At present, chlorine dioxide has become an internationally recognized water treatment agent, disinfectant, pulp bleaching agent, leather depilatory agent, and kerosene desulfurized, Food preservatives, anti-fungal agents, and air purifiers are widely used in drinking water and industrial water disinfection, domestic sewage and industrial production wastewater treatment