Ammonium chloride CAS No.12125-02-9
Pharmaceutical Materials 2025-03-20
CAS No.12125-02-9
Name
Ammonium chloride
Synonyms
Salmiac
Amchlor
Darammon
Salammonite
Sal ammoniac
ammonium muriate
ammonium chloride
Ammonium chloride
| Attribute | Details |
|---|---|
| Name | Ammonium Chloride |
| CAS Number | 12125-02-9 |
| Molecular Formula | NH4Cl |
| Molecular Weight | 53.49 g/mol |
| Synonyms | Sal Ammoniac; Ammonium Muriate; Ammonium Salt |
| Appearance | White crystalline solid with a slightly bitter taste |
| Physical Properties | |
| – Density | 1.527 g/cm³ at 20°C |
| – Melting Point | 338°C (sublimes at slightly lower temperatures) |
| – Boiling Point | Decomposes before reaching a boiling point |
| – Solubility | Highly soluble in water, slightly soluble in alcohol |
| – pH | Aqueous solutions are acidic (pH around 5) |
| Stability | Stable under normal conditions but may decompose upon heating, releasing ammonia and hydrogen chloride gases |
| Reactivity | Reacts with bases to form ammonium salts; decomposes upon heating to produce ammonia and hydrochloric acid |
| Storage Conditions | Store in a cool, dry place, away from incompatible materials and direct sunlight |
| Applications | Used as a flux in metal soldering and welding; as a fertilizer component; in dry-cell batteries; in the production of other chemicals; and as a cough suppressant in some medications |
| Safety Information | May cause skin and eye irritation; may be harmful if swallowed or inhaled; appropriate safety measures and protective equipment should be used when handling |
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