Ammonium Chloride

Physical properties of ammonium chloride
Chemical formula: NH₄Cl
Molecular weight: 53.49
Appearance: white crystals or crystalline powder
Solubility: easily soluble in water, slightly soluble in alcohol, insoluble in ether
Aqueous solution: weakly acidic (pH about 5.5)
Heating decomposition: sublimates when heated to 338℃ and decomposes into ammonia and hydrogen chloride gas
NH₄Cl (s) → NH₃ (g) + HCl (g)