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Cobalt(II) stearate

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Cobalt(II) stearate
Names
Other names Cobaltous stearate, cobalt distearate, cobalt dioctadecanoate, cobalt(2+) octadecanoate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.449 Edit this at Wikidata
EC Number
  • 213-694-7
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • 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-2Key: AMFIJXSMYBKJQV-UHFFFAOYSA-L
SMILES
  • CCCCCCCCCCCCCCCCCC(=O).CCCCCCCCCCCCCCCCCC(=O).
Properties
Chemical formula C
36H
70CoO
4
Molar mass 625.46
Appearance violet substance
Density 1.7 g/cm
Melting point 109 °C (228 °F; 382 K)
Boiling point 359.4 °C (678.9 °F; 632.5 K)
Solubility in water insoluble
Hazards
GHS labelling:
Pictograms GHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Signal word Danger
Hazard statements H315, H317, H319, H334, H351, H411
Precautionary statements 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 , 100 kPa). Infobox references
Chemical compound

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

Synthesis

An exchange reaction of sodium stearate and cobalt dichloride:

C o C l 2 + 2 C 17 H 35 C O O N a   →   C o ( C 17 H 35 C O O ) 2 ↓ + 2 N a C l {\displaystyle {\mathsf {CoCl_{2}+2C_{17}H_{35}COONa\ {\xrightarrow {}}\ Co(C_{17}H_{35}COO)_{2}\downarrow +2NaCl}}}

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.

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.
Salts and covalent derivatives of the stearate ion
HCH3(CH2)16CO2 He
LiCH3(CH2)16CO2 Be(CH3(CH2)16CO2)2 B(CH3(CH2)16CO2)3 C NH4CH3(CH2)16CO2, -O- F Ne
NaCH3(CH2)16CO2 Mg(CH3(CH2)16CO2)2 Al(CH3(CH2)16CO2)3 Si(CH3(CH2)16CO2)4 P(CH3(CH2)16CO2)3 S Cl Ar
KCH3(CH2)16CO2 Ca(CH3(CH2)16CO2)2 Sc(CH3(CH2)16CO2)3 Ti V Cr(CH3(CH2)16CO2)2 Mn Fe(CH3(CH2)16CO2)2
Fe(CH3(CH2)16CO2)3 		Co(CH3(CH2)16CO2)2 Ni(CH3(CH2)16CO2)2 Cu(CH3(CH2)16CO2)2 Zn(CH3(CH2)16CO2)2 Ga(CH3(CH2)16CO2)3 Ge As(CH3(CH2)16CO2)3 Se Br Kr
RbCH3(CH2)16CO2 Sr(CH3(CH2)16CO2)2 Y(CH3(CH2)16CO2)3 Zr(CH3(CH2)16CO2)3 Nb Mo Tc Ru Rh Pd(CH3(CH2)16CO2)2 AgCH3(CH2)16CO2 Cd(CH3(CH2)16CO2)2 In(CH3(CH2)16CO2)3 Sn Sb(CH3(CH2)16CO2)3 Te I Xe
CsCH3(CH2)16CO2 Ba(CH3(CH2)16CO2)2 * Lu(CH3(CH2)16CO2)3 Hf Ta W Re Os Ir Pt AuCH3(CH2)16CO2 Hg2(CH3(CH2)16CO2)2,
Hg(CH3(CH2)16CO2)2 		TlCH3(CH2)16CO2 Pb(CH3(CH2)16CO2)2 Bi(CH3(CH2)16CO2)3 Po At Rn
Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* La(CH3(CH2)16CO2)3 Ce(CH3(CH2)16CO2)3 Pr Nd Pm Sm(CH3(CH2)16CO2)3 Eu(CH3(CH2)16CO2)3 Gd(CH3(CH2)16CO2)3 Tb Dy(CH3(CH2)16CO2)3 Ho(CH3(CH2)16CO2)3 Er Tm Yb(CH3(CH2)16CO2)3
** Ac(CH3(CH2)16CO2)3 Th(CH3(CH2)16CO2)4 Pa UO2(CH3(CH2)16CO2)2 Np Pu Am Cm Bk Cf Es Fm Md No
Cobalt compounds
Cobalt(I)
Cobalt(II)
Cobalt(0,III)
Cobalt(II,III)
Cobalt(III)
Cobalt(III,IV)
Cobalt(IV)
Cobalt(V)


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