Specification: Food Grade,White to light yellow powder
HS Code: 2832100000
CAS No.: 7681-57-4
Place of Origin: China
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5.
It is used as a disinfectant, antioxidant and preservative agent.It is used as a preservative and antioxidant in food and is also known as E223.
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