Ammonium Solution 22%, commonly known as Aqueous Ammonia, is a clear, colourless liquid produced by dissolving ammonia gas (NH₃) in water to form ammonium hydroxide (NH₄OH). With its characteristic strong, pungent odours, it is a highly versatile chemical widely used in the formulation of cleaning agents and detergents, as a nutrient source in fertilizers, and as a key reagent in laboratory analysis and industrial processes. Its adaptability and effectiveness make it an essential component across multiple sectors.