Cobaltous Cyanide
Structural Formula Vector Image
Title: Cobaltous Cyanide
CAS Registry Number: 542-84-7
CAS Name: Cobalt cyanide
Molecular Formula: C2CoN2
Molecular Weight: 110.97
Percent Composition: C 21.65%, Co 53.11%, N 25.24%
Literature References: Prepn: Ray, Sahu, J. Indian Chem. Soc. 23, 161 (1946); Gmelins, Cobalt (8th ed.) 58, (part A), 364 (1932) and supplement, 712 (1961). Structure reported as Co3[Co(CN)6]2: P. S. Poskozim et al., J. Inorg. Nucl. Chem. 35, 687 (1973). Prepn and structure as Co(CN)2: D. M. S. Mosha, D. Nicholls, Inorg. Chim. Acta 38, 127 (1980).
Properties: Deep-blue, very hygroscopic powder. d425 1.872.
Density: d425 1.872
Derivative Type: Di- to trihydrate
Properties: Pink to reddish-brown powder or needles. Practically insol in water, acids, methyl acetate; sol in alkali cyanide solns.
Use: In cobalt catalysts.

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