Cobalt(II) stearate
Names
Other names
Cobaltous stearate, cobalt distearate, cobalt dioctadecanoate, cobalt(2+) octadecanoate[1]
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.449
EC Number
  • 213-694-7
UNII
  • InChI=1S/2C18H36O2.Co/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
    Key: AMFIJXSMYBKJQV-UHFFFAOYSA-L
  • CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Co+2]
Properties
C
36H
70CoO
4
Molar mass 625.46
Appearance violet substance
Density 1.7 g/cm3
Melting point 109 °C (228 °F; 382 K)
Boiling point 359.4 °C (678.9 °F; 632.5 K)
insoluble
Hazards
GHS labelling:
GHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Danger
H315, H317, H319, H334, H351, H411
P261, P264, P272, P273, P280, P284, P302+P352, P304+P340, P305+P351+P338, P318, P321, P332+P317, P333+P313, P337+P317, P342+P316, P362+P364, P391, P405, P501
Flash point 191 °C (376 °F; 464 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Cobalt(II) stearate is a metal-organic compound, a salt of cobalt and stearic acid with the chemical formula C
36H
70CoO
4.[2][3] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.[4]

Synthesis

An exchange reaction of sodium stearate and cobalt dichloride:

Physical properties

Cobalt(II) stearate forms a violet substance, occurring in several crystal structures.

Insoluble in water.

Uses

Cobalt(II) stearate is a high-performance bonding agent for rubber. The compound is suitable for applications in natural rubber, cisdene, styrene-butadiene rubber, and their compounds to bond easily with brass- or zinc-plated steel cord or metal plates as well as various bare steel, especially for bonding with brass plating of various thicknesses.[5]

References

  1. ↑ "CAS 13586-84-0 Cobalt stearate - Alfa Chemistry". Alfa Chemistry. Retrieved 16 February 2023.
  2. ↑ "Cobalt(II) Stearate". American Elements. Retrieved 16 February 2023.
  3. ↑ "Cobalt(II) Stearate 1002-88-6 | Tokyo Chemical Industry Co., Ltd.(APAC)". tcichemicals.com. Retrieved 16 February 2023.
  4. ↑ "Cobalt(II) stearate, Co 9-10%, Thermo Scientific | Fisher Scientific". Fisher Scientific. Retrieved 16 February 2023.
  5. ↑ "43352 Cobalt(II) stearate, Co 9-10%". Alfa Aesar. Retrieved 16 February 2023.


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