Cobalt oleate

Cobalt oleate
Names
	IUPAC name Cobalt (Z)-octadec-9-enoate
	Other names Cobaltous oleate
Identifiers
3D model (JSmol)	Interactive image;
ChemSpider	17215414;
ECHA InfoCard	100.038.953
EC Number	242-865-9;
UNII	5YJ884691M;
CompTox Dashboard (EPA)	DTXSID6027769 ;
	SMILES CCCCCCCC/C=C\CCCCCCCC(=O)[O-].CCCCCCCC/C=C\CCCCCCCC(=O)[O-].[Co+2];
Properties
Chemical formula	C36H66CoO4
Molar mass	621.853 g·mol−1
Appearance	Purple powder
Solubility	Soluble in benzene, carbon tetrachloride, pyridine, chloroform, quinoline
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H317, H411, H412
Precautionary statements	P261, P272, P273, P280, P302+P352, P321, P333+P313, P362+P364, P391, P501
Related compounds
Other cations	Copper oleate; Sodium oleate;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cobalt oleate is an organometallic compound with the formula Co(C₁₈H₃₃O₂)₂. When cobalt oleate is added to non-polar solvents, the viscosity rapidly increases, and then continues increasing over time. This unusual viscosity effect is caused by the formation of a weak coordination complex with the solvent molecules.^[1]

Preparation

Cobalt oleate can be synthesized by heating a solution of sodium oleate and cobalt(II) chloride to 70 °C.^[2]

2 NaC₁₈H₃₃O₂ + CoCl₂ → 2 NaCl + Co(C₁₈H₃₃O₂)₂

References

^ ^a ^b Funakoshi, Hideo; Matuura, Ryohei (October 1964). "Peptizing Action of Some Polar Substances on the Benzene Solution of Cobalt Oleate". Nature. 204 (4954): 186. Bibcode:1964Natur.204..186F. doi:10.1038/204186a0. ISSN 0028-0836. S2CID 4198459.
^ An, Kwangjin; Lee, Nohyun; Park, Jongnam; Kim, Sung Chul; Hwang, Yosun; Park, Je-Geun; Kim, Jae-Young; Park, Jae-Hoon; Han, Myung Joon; Yu, Jaejun; Hyeon, Taeghwan (2006-08-01). "Synthesis, Characterization, and Self-Assembly of Pencil-Shaped CoO Nanorods". Journal of the American Chemical Society. 128 (30): 9753–9760. doi:10.1021/ja0608702. ISSN 0002-7863. PMID 16866531.

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[Funakoshi-1] Funakoshi, Hideo; Matuura, Ryohei (October 1964). "Peptizing Action of Some Polar Substances on the Benzene Solution of Cobalt Oleate". Nature. 204 (4954): 186. Bibcode:1964Natur.204..186F. doi:10.1038/204186a0. ISSN 0028-0836. S2CID 4198459.

[2] An, Kwangjin; Lee, Nohyun; Park, Jongnam; Kim, Sung Chul; Hwang, Yosun; Park, Je-Geun; Kim, Jae-Young; Park, Jae-Hoon; Han, Myung Joon; Yu, Jaejun; Hyeon, Taeghwan (2006-08-01). "Synthesis, Characterization, and Self-Assembly of Pencil-Shaped CoO Nanorods". Journal of the American Chemical Society. 128 (30): 9753–9760. doi:10.1021/ja0608702. ISSN 0002-7863. PMID 16866531.

[1]

[2]

Cobalt oleate

Preparation

See also

References