1. Pharmaceutical Use:

• Ingredient in intravenous (IV) saline solutions

• Used in oral rehydration salts (ORS)

• Component in nasal sprays and wound rinses

2. Food Industry:

• Preservative and flavor enhancer

• Used in brining, curing, and fermentation

3. Chemical Industry:

• Raw material for producing chlorine, caustic soda (NaOH), and soda ash (Na₂CO₃)

• Used in electrolysis processes

4. Water Treatment:

• Regenerates ion-exchange resins in water softeners

• Helps in purification and disinfection

5. Agriculture:

• Supplement in animal feed

• Used in soil treatment and weed control (in limited applications)

6. Cosmetics and Personal Care:

• Found in bath salts, exfoliants, and skin cleansers

7. Laboratory Use:

• Buffer and reagent in chemical analysis

• Used in preparing standard solutions