Cupric Perchlorate
Structural Formula Vector Image
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.

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