What is a Sodium bisulfite (NaHSO₃) ?

Sodium bisulfite (NaHSO₃) is an inorganic compound that contains sodium, bisulfite, and hydrogen ions. It appears as a white or colorless solid and is primarily used in aqueous solutions, where it is slightly acidic. Sodium bisulfite is typically produced by dissolving sulfur dioxide in water, and it is widely used in various industrial and chemical processes.

Main uses:
✅ Bleaching agent:
Sodium bisulfite is used in the bleaching of textiles and paper products.
✅ Antioxidant:
It is used in the food industry as a preservative to prevent oxidation, particularly in dried fruits, wines, and other products.
✅ Water treatment:
It is used in water treatment processes, primarily to remove chlorine and other harmful substances from water.
✅ Chemical synthesis:
Sodium bisulfite serves as a reducing agent in organic chemical reactions.

Safety notes:
✅ Skin and eye irritation:
Sodium bisulfite can be irritating to the skin and eyes, so protective equipment is recommended when handling it.
✅ Inhalation risk:
Inhalation of sodium bisulfite dust or fumes can irritate the respiratory system, so adequate ventilation is required during use.

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