Is NH4OH soluble in water? Everything you need to know Kumar Jeetendra | March 4, 2023 Ammonia dissolved in water has the chemical formula NH4OH. This liquid goes by several other names, including ammonia water, ammonium hydroxide, ammonia liquor, and aqueous ammonia. “NH3 (aq)” is a common shorthand for NH4OH. Ammonia dissolves in water because each water molecule gives the NH3 molecule one of its proton. This results in the creation …