Aluminium Ammonium Sulphate AR, also known as Ammonium Aluminium Sulphate, is supplied as colourless crystals or as a white crystalline powder. It is freely soluble in water, insoluble in ethanol, and is extremely soluble in hot water.

铝铵硫酸盐AR也称为硫酸铝铵，以无色结晶或白色结晶粉末形式提供。它易溶于水，不溶于乙醇，极易溶于热水。