| Title:  Cupric Perchlorate CAS Registry Number:  13770-18-8 Molecular Formula:  Cl2CuO8 Molecular Weight:  262.45 Percent Composition:  Cl 27.02%, Cu 24.21%, O 48.77% Line Formula:  Cu(ClO4)2 Literature References:  Prepd from Cu(NO3)2 and perchloric acid or nitrosyl perchlorate:  Caven, Bryce, J. Chem. Soc. 1934, 514; Hathaway, Underhill, ibid. 1960, 648; 1961, 3091; Hathaway, Proc. Chem. Soc. London 1958, 344. Properties:  Very pale green, hygroscopic crystals.  Volatilizes on heating.  Thermally stable to 130°; above 130° dec to a basic perchlorate.  mp about 230-240°.  Soluble in water, ether, dioxane, ethyl acetate.  Practically insol in benzene, CCl4, hexane. Melting point:  mp about 230-240°   Derivative Type:  Hexahydrate  Properties:  Deep blue, monoclinic crystals.  Freely sol in water, methanol, ethanol, acetic acid, acetic anhydride, acetone; slightly sol in ether, ethyl acetate.   Use:  Analytical reagent:  Kolb, Ind. Eng. Chem. Anal. Ed. 11, 197 (1939); 16, 38 (1944); Serjeant, Nature 186, 963 (1960).  Also in copper electrodeposition; in catalysts for combustion and propellants.  |