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Product name:  Sodium bisulfite
Alias:  Sodium hydrogen sulfite; Sodium Bisulphite; sodium hydrogen sulfate
CAS Number:  7631-90-5
EINECS Number:  231-548-0
Molecular formula:  NaHSO3
Molecular weight:  104.061
Physical and chemical properties:
Property White monoclinic crystal. There is sulfur dioxide odor.
Relative density 1.48g/cm³
Solubility Easily soluble in water, slightly soluble in alcohol.
Product Uses: used as reducing agent, food preservative and bleaching agent, etc.