Buffer solutions- Maintains stable pH in laboratories and biochemical systems. Food industry- Used as an emulsifier and pH regulator. Fertilizers- Provides potassium and phosphorus nutrients. Pharmaceuticals- Used in formulations and electrolyte solutions. Fermentation processes- Supports microbial growth by controlling pH.

Its main purpose is to act as a buffering agent and nutrient source helping regulate pH and supply essential ions in chemical biological and industrial processes.

Colorless solid. Contains three molecules of water (trihydrate form). Highly soluble in water. Mildly alkaline in solution. Stable under normal conditions.