Mercury(II) stearate is a metal-organic compound, a salt of mercury and stearic acid with the chemical formula C
36
H
70
HgO
4
.[2] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is highly toxic by inhalation, ingestion, and skin absorption.[1]

Mercury(II) stearate
Names
Other names
Mercuric stearate, mercury distearate, mercury dioctadecanoate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.010.418 Edit this at Wikidata
EC Number
  • 211-458-8
UNII
  • InChI=1S/2C18H36O2.Hg/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: RRFMRVBJWLMSAB-UHFFFAOYSA-L
  • CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Hg+2]
Properties
C
36
H
70
HgO
4
Molar mass 767.529
Appearance yellow wax
Melting point 112.2 °C (234.0 °F; 385.3 K)
Boiling point 359.4 °C (678.9 °F; 632.5 K)
insoluble[1]
Solubility Soluble in fatty oils[1]
Hazards
Flash point 162.4 °C (324.3 °F; 435.5 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Synthesis

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An exchange reaction of sodium stearate and mercury dichloride:

 

Also, heating mercurious oxide with stearic acid.[3]

Physical properties

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The compound forms yellow waxy substance.[4]

Uses

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It is used as a germicide[1] and as a plasticizer in the production of ceramics.[citation needed]

References

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  1. ^ a b c d Lewis, Robert A. (1 April 2016). Hawley's Condensed Chemical Dictionary. John Wiley & Sons. p. 878. ISBN 978-1-119-26784-3. Retrieved 15 February 2023.
  2. ^ "CAS 645-99-8 Mercury stearate - Alfa Chemistry". alfa-chemistry.com. Retrieved 15 February 2023.
  3. ^ Works of the Cavendish Society: Gmelin, Leopold. Hand-book of chemistry. 18 v. & index. 1848-72. 1866. p. 112. Retrieved 15 February 2023.
  4. ^ Morris, Christopher G.; Press, Academic; Morris, Christopher W. (27 August 1992). Academic Press Dictionary of Science and Technology. Gulf Professional Publishing. p. 1350. ISBN 978-0-12-200400-1. Retrieved 15 February 2023.