Food Additives White Powder Sodium Metabisulfite CAS 7681-57-4

Food Additives White Powder Sodium Metabisulfite CAS 7681-57-4

Sodium metabisulfite CAS 7681-57-4 or sodium pyrosulfite (sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium (metabisulfite). It is used as a disinfectant, antioxidant and preservative agent.Sodium metabisulfite is white or light-yellow crystalline powder, smell of SO2. No other smell when dried. Specific gravity is 1.4. It's soluble in glycerine, It's soluble slightly in alcohol.

Specification

Application

- Used as a food preservative. It is a slight hazy solution free from inappropriate impurities. These sulphites are available in white and faint cream crystalline free flowing powder and are widely used in photographic chemical and preservative chemical.

- Used in medicine when producing chloroform,solasulfone and methnylal;used as coagulant in rubber industry;

- Used as dechlorided agent or assistants in printing and dyeing industry;

- Used to improve leather properties in leather industry;

- Used as developing agent in photosensitivity industry;

- Used when producing hydroxyl geranial, hydrochloric hydroxylamine in chemical industry;

- Used as bleaching agent, antiseptics, antioxidant, ect.in food industry.

Packing

25kg bags with 3 layers pe+pp. 25Mt/20'GP without pallets; 22Mt/20'GP with pallets