Preparation
Ammonium chloride can be prepared by the reaction of ammonia (NH₃) with hydrochloric acid (HCl).
The chemical reaction is as follows:
NH3 + HCl → NH4Cl
Properties
Physical Appearance: White crystalline solid.
Solubility: Soluble in water and has a cooling, salty taste.
Nature: Ionic compound.
Melting Point: 338°C (640°F).
Chemical Nature: Weak acid, capable of undergoing reactions with bases.
Uses
Expectorant: Used in cough medicines to help clear mucus from the respiratory tract.
Buffering Agent: Employed in the pharmaceutical industry to maintain the pH of solutions.
Fertilizer Production: Used in the production of fertilizers, particularly for rice and wheat cultivation.
Industrial Applications: Utilized in electroplating, soldering flux, and metal recovery processes.
Storage
Conditions: Should be stored in a cool, dry place, away from heat and direct sunlight.
Container: Keep in a tightly closed container to minimize exposure to air and moisture.
Avoid Contact: Store away from strong acids, bases, and oxidizing agents to prevent chemical reactions.