Cadmium Chloride - Cadmium Enca
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Chemical formula: CdCl 2 . Melting point: 568°C, boiling point: 960°C, specific gravity: 4.047 (25°C), solubility in water: 140g/100g H 2 O (20°C). It is produced by reacting metallic cadmium with hydrogen chloride gas at 450°C. The anhydrous form is also obtained by refluxing hydrated cadmium chloride CdCl 2 ·2.5H 2 O with thionyl chloride. It is slightly soluble in methyl alcohol and ethyl alcohol, but sparingly soluble in acetone and ether. In hydrochloric acid solutions, Cd 2+ does not exist, and it exists almost entirely in the form of CdCl + and CdCl 2 . Source: Heibonsha World Encyclopedia, 2nd Edition Information |
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化学式CdCl2。融点568℃，沸点960℃，比重4.047(25℃)，水に対する溶解度140g/100g H2O(20℃)。金属カドミウムに450℃で塩化水素ガスを反応させてつくる。また水和塩化カドミウムCdCl2･2.5H2Oを塩化チオニルと還流すると無水物が得られる。メチルアルコール，エチルアルコールにはやや溶け，アセトン，エーテルには難溶。塩酸溶液中ではCd2＋は存在せず，ほとんどCdCl＋，CdCl2の形で存在する。
出典 株式会社平凡社世界大百科事典 第２版について 情報 |
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