It is an amide of cyanide, also known as cyanamide. It can be obtained by the reaction of ammonia with cyanogen chloride (CNCl), calcium cyanamide (the main component of calcium cyanide) CaCN2 with acetic acid, or thiourea with mercury(II) oxide. It is a deliquescent colorless needle crystal. It is easily soluble in water, ethanol (ethyl alcohol), and ether. It is tautomerized with the following carbodiimides. Its aqueous solution is weakly acidic and stable. NCNH2HN =C=NH [Kenichi Morinaga and Katsunori Nakahara] [Supplementary Material] |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
シアンのアミド化物で、シアンアミドともいう。アンモニアとクロロシアンCNClとの反応、カルシウムシアナミド(石灰窒素の主成分)CaCN2と酢酸との反応、チオ尿素と酸化水銀(Ⅱ)との反応などによって得られる。潮解性の無色針状晶。水、エタノール(エチルアルコール)、エーテルによく溶ける。次のようなカルボジイミドとの互変異性がある。水溶液は弱酸性で安定。 NCNH2HN=C=NH [守永健一・中原勝儼] [補完資料] |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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