Ammonium Chloride is an inorganic compound with the chemical formula NH₄Cl. It is a white crystalline solid that is highly soluble in water and commonly used in fertilizers, metal treatment, pharmaceuticals, chemicals, and industrial applications.

What Is Ammonium Chloride?

Ammonium Chloride, also known as sal ammoniac, is the salt of ammonia and hydrochloric acid. It is typically available as a white crystalline powder or granules with a characteristic slightly salty and cooling taste.

With its good water solubility and stable chemical properties, ammonium chloride is widely used as a source of nitrogen and chloride ions in various industrial processes.

Chemical Properties

• Chemical Name: Ammonium Chloride
• Chemical Formula: NH₄Cl
• CAS No.: 12125-02-9
• Molecular Weight: 53.49 g/mol
• Appearance: White crystalline powder or granules
• Solubility: Highly soluble in water
• Odor: Odorless
• Melting Point: Approximately 338°C (sublimes/decomposes)

Ammonium chloride is slightly acidic when dissolved in water and can release ammonia under alkaline conditions or when heated.

Applications of Ammonium Chloride

Ammonium chloride has a wide range of applications across different industries.

Fertilizers

Ammonium chloride is an important nitrogen fertilizer and provides plants with nitrogen in an easily available form. It is particularly suitable for crops and soils where chloride-containing fertilizers are appropriate.

Metal Treatment

It is used as a flux in metalworking, soldering, and galvanizing processes. Ammonium chloride helps remove metal oxides from surfaces and improves the effectiveness of soldering and surface treatment.

Chemical Industry

Ammonium chloride is used as a raw material and processing aid in the production of various chemicals. Its chemical properties make it useful in several industrial reactions and formulations.

Pharmaceutical Industry

Pharmaceutical-grade ammonium chloride can be used in certain pharmaceutical formulations and as an expectorant in some medicinal products, subject to applicable regulations and quality requirements.

Other Industrial Uses

Ammonium chloride is also used in textile printing, leather processing, batteries, and other specialized industrial applications.

Packaging and Storage

Ammonium chloride should be stored in a cool, dry, and well-ventilated area away from moisture and incompatible materials. Proper packaging should be used to prevent contamination and moisture absorption during transportation and storage.

Available packaging can be customized according to customer requirements, including bags and other industrial packaging options.

Conclusion

Ammonium Chloride (CAS No. 12125-02-9) is a versatile inorganic chemical with applications in fertilizers, metal treatment, chemical manufacturing, pharmaceuticals, and other industrial sectors. Its high water solubility, stable properties, and multiple industrial functions make it an important chemical raw material for a variety of applications.