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Mercury(II) stearate

Names
Other names Mercuric stearate, mercury distearate, mercury dioctadecanoate
Identifiers
CAS Number	645-99-8
3D model (JSmol)	Interactive image
ChemSpider	62735
ECHA InfoCard	100.010.418
EC Number	211-458-8
PubChem CID	69531
UNII	AZ2X2WK6RN
CompTox Dashboard (EPA)	70214758
InChI 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-2Key: RRFMRVBJWLMSAB-UHFFFAOYSA-L
SMILES CCCCCCCCCCCCCCCCCC(=O).CCCCCCCCCCCCCCCCCC(=O).
Properties
Chemical formula	C 36H 70HgO 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)
Solubility in water	insoluble
Solubility	Soluble in fatty oils
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 , 100 kPa). Infobox references

Mercury(II) stearate is a metal-organic compound, a salt of mercury and stearic acid with the chemical formula C
₃₆H
₇₀HgO
₄. 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.

Synthesis

An exchange reaction of sodium stearate and mercury dichloride:

${\displaystyle {\mathsf {HgCl_{2}+2C_{17}H_{35}COONa\ {\xrightarrow {}}\ Hg(C_{17}H_{35}COO)_{2}\downarrow +2NaCl}}}$

Also, heating mercurious oxide with stearic acid.

Physical properties

The compound forms yellow waxy substance.

Uses

It is used as a germicide and as a plasticizer in the production of ceramics.

References

1. ^ 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.

• Stearates
• Mercury compounds