Sodium Bicarbonate (NaHCO₃)
Common Names: Baking soda, sodium hydrogen carbonate.
Appearance: White crystalline powder.
Properties:
- Mildly alkaline.
- Soluble in water, decomposes on heating to sodium carbonate, water, and CO₂.
- Non-toxic and safe for food applications.
Industrial Uses of Sodium Bicarbonate
Food Industry
- Leavening agent in baking (releases CO₂ to make dough rise).
- Used as a food additive for acidity regulation.
- Ingredient in beverages and confectionery.
Pharmaceuticals
- Antacid to neutralize stomach acid.
- Used in effervescent tablets.
Chemical Industry
- Used in chemical reactions to produce sodium carbonate (soda ash).
- pH regulation in various chemical processes.
Fire Extinguishing
- Key ingredient in dry chemical fire extinguishers.
- Effective against oil and electrical fires.
Water Treatment
- Neutralizes acidic water and reduces corrosion.
Textile & Leather Industry
- pH control in dyeing and tanning processes.
Cleaning & Personal Care Products
- Mild abrasive in toothpastes and cleaning powders.
- Used in deodorizing agents and bath products.
Environmental Applications
- Used to neutralize acidic soils or industrial effluents.
Safety Note
- Generally safe and non-toxic.
- Can cause mild irritation if inhaled in large amounts.
- Store in a dry, cool place to prevent caking.