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|Section2= |Section7= |Section8= }} Metol is the organic compound with the formula ()HSO4. It is the hydrogen sulfate (HSO4−) salt of the protonated derivative of N-methylaminophenol. This colourless salt is a popular photographic developer used in black & white photography.〔Gerd Löbbert "Photography" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. 〕 ==Synthesis== Several methods exist for the preparation of N-methylaminophenol. It arises by decarboxylation of N-4-hydroxyphenylglycine (Glycin). It can be obtained by reaction of hydroquinone with methylamine. 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「Metol」の詳細全文を読む スポンサード リンク
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