Aluminum sulfate with a chemical formula Al2(SO4)3 is a white compound with a very high dissolution in water, which is the second most toxic aluminum compound after aluminum oxide. This substance can be produced simply or in salt with potassium, ammonium or sodium, which is then called aluminum alum. The most important aluminum alum is the salt formed by ammonium with the chemical formula NH4Al(SO4)2. Many people confuse these two materials together and consider them as different forms of a product. Aluminum sulfate, depending on the amount of water used to dilute sulfuric acid, can have 8-32 molecules of water in its composition.
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