CAS#7631-90-5
FormulaNaHSO3
INS Number222
E NumberE222
SynonymsSulfurous acid, monosodium salt; Sodium hydrogen sulfite
Groups/UsesFood additive, Industrial chemical, Paper and Leather, Chemical production, Water treatment,
MarketsChemical and Materials Manufacturing, Food & Beverage, Pulp, Paper & Packaging, Water Treatment

FAQ’S

What is Sodium bisulfite?

Sodium bisulfite is a chemical mixture that appears as white crystals or powder with a slight sulfur dioxide odor, used as a reducing agent, catalyst, and preservative in various industries. 

What are the uses of Sodium bisulfite?

Sodium bisulfite is used as a food preservative and to maintain freshness and color in vegetables and juices, particularly green vegetables. It is used as a reducing agent, catalyst, and preservative. It is used in production of paper and leather. It is used in dye and chemical production. It is used to eliminate chlorine residuals and as an antioxidant in water treatment. 

What are uses of Sodium bisulfite in Food Industry?

Sodium bisulfite is used as a food additive to prevent browning in fruits and vegetables, maintain freshness, and inhibit microbial growth in various foods like dried fruits, dehydrated potatoes, and wine. It can act as a leavening agent in baked goods, helping them rise. It prevents enzymatic browning in fruits and vegetables, preserving their color and texture. It helps maintain freshness, color, and texture in meat and seafood products by preventing oxidation and inhibiting microbial growth. In winemaking and juice processing, it acts as a sanitizer, preventing contamination and preserving flavor and aroma.

Choice Organochem LLP supplies Sodium bisulfite to users/customers for Chemical and Materials Manufacturing, Food & Beverage, Pulp, Paper & Packaging, and Water Treatment.