1M Potassium acetate, pH 7.5, is supplied by HiMedia. It is available in the form of a white to clear liquid. It can be used as a stock to formulate precipitant solutions in procedures such as the hanging-drop vapor diffusion crystallization protocol. Potassium acetate solution may be used to prepare hypoosmotic media and in various DNA extraction protocols.Potassium acetate is the potassium salt of acetic acid. It is prepared by the reaction of a potassium containing base e.g. potassium hydroxide or potassium carbonate with acetic acid.