Sodium Metabisulfite
CAS RN: 7681-57-4
EINECS: 231-673-0
Molecular formula: Na2S2O5
Molecular weight: 190.1065
Appearance: White or light yellow crystalline powder
Use: Used as bleach, mordant, reducing agent, rubber coagulant, also used in organic synthesis, pharmaceutical and perfume
Structural formula:

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