What is a Calcium bisulfite (Ca(HSO₃)₂)?

Calcium bisulfite (Ca(HSO₃)₂) is an inorganic compound that consists of calcium and bisulfite ions. It is typically produced by reacting calcium salts with sodium bisulfite. This compound appears as a white crystalline solid and is commonly used in various industrial applications.

Main uses:
✅ Bleaching agent:
Calcium bisulfite is widely used as a bleaching agent, especially in the food and textile industries.
✅ Antioxidant:
It is used as a preservative in food processing, preventing oxidation, and is commonly employed in the preservation of products like wine and dried fruits.
✅ Water treatment:
It is also used in water treatment processes, particularly for removing impurities from water.

Safety notes:
✅ Skin and eye irritation:
Calcium bisulfite can be irritating to the skin and eyes. Protective equipment is recommended when handling it.
✅ Toxicity:
Improper handling can lead to harmful effects, so careful handling is essential.

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