Ammonium Chloride
Ammonium chloride, a white crystalline solid, possesses several notable physical properties. It exhibits high solubility in water,
readily dissolving to form a clear, colorless solution. At room temperature, it sublimes easily, meaning it transitions directly from
a solid to a vapor without passing through a liquid phase-a characteristic commonly observed when heating the compound. It
has a distinct odor and a salty taste. Its crystal structure is often described as being composed of chloride ions and ammonium
ions held together by strong ionic bonds. Additionally, it displays a tendency to absorb moisture from the atmosphere, a property
known as hygroscopicity, which can lead to caking or clumping if not stored properly. Furthermore, it demonstrates endothermic
dissolution in water, meaning it absorbs heat from its surroundings during the dissolution process, resulting in a cooling effect.
| INDEX |
STANDARD |
| AMMONIUM CHLORIDE |
≥ 99.0 ~ 101.1% |
| LOSS ON DRYING |
≤ 0.5% |
| RESIDUE ON IGNITION |
≤ 0.1% |
| HEAVY METAL (Pb) |
≤ 0.001% |
| SULPHATE |
≤ 0.02% |
| Fe |
≤ 0.001% |
| Ph200g/L 25 |
4 ~ 5.8 |
CONCLUSION:
|
The product above complies with the standard of GB2946-92. |
Ammonium chloride, commonly known as NH4Cl, finds versatile applications across various industries. In agriculture, it serves
as a nitrogen source in fertilizers, promoting healthy plant growth and enhancing crop yield. In the pharmaceutical sector, it is
utilized in cough medicines due to its expectorant properties, aiding in the clearance of mucus from the respiratory tract. Moreover,
in the manufacturing of dry-cell batteries, it acts as an electrolyte, facilitating the flow of ions between electrodes. Its use extends
to the metallurgical industry for fluxing and metal surface treatment processes, ensuring cleaner metal surfaces and improved
solderability. Additionally, it serves as a flux in the production of tin and soldering alloys, enabling efficient soldering by removing
oxides from metal surfaces. Furthermore, in laboratory settings, it functions as a reagent for various chemical reactions and as a
pH buffer in biochemical experiments.
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