SODIUM SULPHITE
Product information
CAS No.
7757-83-7
EC No.
231-821-4
Summary formula
Na₂SO₃.
ADR
NO
Physical form
It is a white, odorless, crystalline solid with hygroscopic properties.
Application
- Food industry: Sodium sulfite (E221) is used as a preservative to prevent the growth of microorganisms and extend the shelf life of food products such as dried fruits.
- Textile and paper industry: In these industries it acts as a bleaching and disinfecting agent, improving the quality and appearance of products.
- Photography: it is used as an ingredient in photographic developers and fixers, affecting the quality of images.