Cobalt(II) stearate explained

Cobalt(II) stearate is a metal-organic compound, a salt of cobalt and stearic acid with the chemical formula .^{[1] [2]} The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.^[3]

Synthesis

An exchange reaction of sodium stearate and cobalt dichloride:

CoCl _{2} +2C _{17} H _{35} COONa \xrightarrow{ Co(C _{17} H _{35} COO) _{2\downarrow} + 2 NaCl }

Physical properties

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

It is 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.^[4]

Notes and References

1. Web site: Cobalt(II) Stearate . . 16 February 2023 . en.
2. Web site: Cobalt(II) Stearate 1002-88-6 Tokyo Chemical Industry Co., Ltd.(APAC) . tcichemicals.com . 16 February 2023.
3. Web site: Cobalt(II) stearate, Co 9-10%, Thermo Scientific Fisher Scientific . . 16 February 2023.
4. Web site: 43352 Cobalt(II) stearate, Co 9-10% . . 16 February 2023.