Properties of Ammonium Chloride
1. High Solubility: Ammonium chloride is highly soluble in water.
2. pH Buffering: It helps maintain a stable pH in solutions.
3. Volatilization: Ammonium chloride can volatilize (turn into vapor) when heated.

Uses of Ammonium Chloride
1. Pharmaceuticals: Used as an expectorant in cough medicines and as a component in certain tablets.
2. Metalwork: Used as a flux in soldering and brazing.
3. Textiles: Used in the dyeing and printing of textiles.
4. Leather: Used in the tanning and processing of leather.
5. Agriculture: Used as a fertilizer and in animal feed.
6. Laboratory Reagent: Used in various laboratory applications, such as in the preparation of other chemicals.
7. Cleaning Agent: Used as a cleaning agent in various industries.

Benefits of Ammonium Chloride
1. Effective Flux: Ammonium chloride is an effective flux in metalwork, helping to remove impurities.
2. pH Control: Its pH buffering properties make it useful in various applications.
3. Cost-Effective: Ammonium chloride is generally less expensive than other chemicals with similar properties.

Safety Precautions
1. Toxicity: Ammonium chloride can be toxic if ingested or inhaled in large quantities.
2. Skin and Eye Irritation: It can cause skin and eye irritation.
3. Respiratory Issues: Inhaling ammonium chloride fumes can cause respiratory issues.

Interesting Facts
1. Natural Occurrence: Ammonium chloride is found naturally in some minerals, such as sal ammoniac.
2. Historical Use: It has been used for centuries in various applications, including as a medicine and in metalwork.