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|Section2= |Section3= |Section8= }} Ammonium bisulfate, also known as ammonium hydrogen sulfate, is a white, crystalline solid with formula (NH4)HSO4. It is the product of the half-neutralization of sulfuric acid by ammonia. ==Production== It is commonly collected as a byproduct of the "acetone cyanohydrin route" to the commodity chemical methyl methacrylate.〔William Bauer, Jr. "Methacrylic Acid and Derivatives" in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim. .〕 It can also be obtained by hydrolysis of sulfamic acid in aqueous solution, which produces the salt in high purity: : H3NSO3 + H2O → ()+()− It also arises by the thermal decomposition of ammonium sulfate: : (NH4)2SO4 → (NH4)HSO4 + NH3 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ammonium bisulfate」の詳細全文を読む スポンサード リンク
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