CAS#7757-83-7
FormulaNa2SO3
INS Number221
E NumberE221
SynonymsDisodium sulfite; Sulfurous acid, disodium salt
Groups/UsesFood preservative, Antioxidant, Pulp and Paper, Textile, Water treatment,
MarketsFood & Beverage, Pulp, Paper and Packaging, Textiles, Water Treatment

FAQ’S

What is Sodium sulfite?

Sodium sulfite is a white, odorless, water-soluble inorganic salt that is used as a preservative, antioxidant in food and in various industrial processes.

What are the uses of Sodium sulfite in Food Industry?

Sodium sulfite acts as a food preservative that helps prevent discoloration and spoilage in dried fruits, processed fruits, and other foods. It acts as an antioxidant, helping to maintain the freshness and quality of food products. 

What are the other uses of Sodium sulfite?

Sodium sulfite is used in the treatment of semichemical pulp and as an oxygen scavenger in paper production. It is used as a bleaching, desulfurizing, and dechlorinating agent in textile processing. It acts as a dechlorinating agent and oxygen scavenger in water treatment, including in swimming pools and boiler systems. 

What are the potential health effects of Sodium sulfite?

Some individuals may experience allergic reactions, including asthmatic wheezing, hypotension, tingling sensations, and flushing of the skin.

Choice Organochem LLP supplies Sodium sulfite to users/customers for Food & Beverage, Pulp, Paper and Packaging, Textiles, and Water Treatment.