Silver stearate

Silver stearate
Names
	Other names silver octadecanoate
Identifiers
CAS Number	3507-99-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	141200;
ECHA InfoCard	100.020.460
EC Number	222-505-7;
PubChem CID	160695;
UNII	4H6PCL92ZN;
CompTox Dashboard (EPA)	DTXSID10883982 ;
	InChI InChI=1S/C18H36O2.Ag/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1 Key: ORYURPRSXLUCSS-UHFFFAOYSA-M;
	SMILES CCCCCCCCCCCCCCCCCC(=O)[O-].[Ag+];
Properties
Chemical formula	C; 18H; 36AgO; 2
Molar mass	392.3
Appearance	white powder
Boiling point	359.4 °C (678.9 °F; 632.5 K)
Solubility in water	insoluble
Hazards
	GHS labelling:
Signal word	Warning
Hazard statements	H302, H312, H315, H319, H332, H335
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). Infobox references

Silver stearate is a metal-organic compound with the chemical formula C
₁₈H
₃₆AgO
₂. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid (stearic acid).^[1]^[2]^[3]

Synthesis edit

Silver stearate can be obtained by the reaction of sodium stearate and silver nitrate.

Also by the reaction of stearic acid and silver nitrate in presence of DBU.^[4]

Physical properties edit

Silver stearate forms white powder.^[5]

Silver stearate crystals are of triclinic crystal system; cell parameters a = 0.5431 nm, b = 4.871 nm, c = 0.4120 nm, α = 90.53°, β = 122.80°, γ = 90.12°, Z = 2.

The compound is insoluble in water, ethanol, diethyl ether.

References edit

^ Lin, Bin; Dong, Jingshan; Whitcomb, David R.; McCormick, Alon V.; Davis, H. Ted (1 October 2004). "Crystallization of Silver Stearate from Sodium Stearate Dispersions". Langmuir. 20 (21): 9069–9074. doi:10.1021/la048793g. PMID 15461488. Retrieved 7 February 2023.
^ Nyam-Osor, M; Soloviov, D V; Kovalev, Yu S; Zhigunov, A; Rogachev, A V; Ivankov, O I; Erhan, R V; Kuklin, A I (30 March 2012). "Silver behenate and silver stearate powders for calibration of SAS instruments". Journal of Physics: Conference Series. 351 (1): 012024. Bibcode:2012JPhCS.351a2024N. doi:10.1088/1742-6596/351/1/012024. S2CID 137123053.
^ Diamond, Arthur S. (8 October 2018). Handbook of Imaging Materials. CRC Press. p. 515. ISBN 978-1-4822-7736-4. Retrieved 7 February 2023.
^ Basel, Siddhant; Bhardwaj, Karishma; Pradhan, Sajan; Pariyar, Anand; Tamang, Sudarsan (31 March 2020). "DBU-Catalyzed One-Pot Synthesis of Nearly Any Metal Salt of Fatty Acid (M-FA): A Library of Metal Precursors to Semiconductor Nanocrystal Synthesis". ACS Omega. 5 (12): 6666–6675. doi:10.1021/acsomega.9b04448. PMC 7114616. PMID 32258902. S2CID 214989827.
^ "Silver stearate (CAS 3507-99-1) | Glentham Life Sciences". glentham.com. Retrieved 7 February 2023.

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[1] Lin, Bin; Dong, Jingshan; Whitcomb, David R.; McCormick, Alon V.; Davis, H. Ted (1 October 2004). "Crystallization of Silver Stearate from Sodium Stearate Dispersions". Langmuir. 20 (21): 9069–9074. doi:10.1021/la048793g. PMID 15461488. Retrieved 7 February 2023.

[2] Nyam-Osor, M; Soloviov, D V; Kovalev, Yu S; Zhigunov, A; Rogachev, A V; Ivankov, O I; Erhan, R V; Kuklin, A I (30 March 2012). "Silver behenate and silver stearate powders for calibration of SAS instruments". Journal of Physics: Conference Series. 351 (1): 012024. Bibcode:2012JPhCS.351a2024N. doi:10.1088/1742-6596/351/1/012024. S2CID 137123053.

[3] Diamond, Arthur S. (8 October 2018). Handbook of Imaging Materials. CRC Press. p. 515. ISBN 978-1-4822-7736-4. Retrieved 7 February 2023.

[4] Basel, Siddhant; Bhardwaj, Karishma; Pradhan, Sajan; Pariyar, Anand; Tamang, Sudarsan (31 March 2020). "DBU-Catalyzed One-Pot Synthesis of Nearly Any Metal Salt of Fatty Acid (M-FA): A Library of Metal Precursors to Semiconductor Nanocrystal Synthesis". ACS Omega. 5 (12): 6666–6675. doi:10.1021/acsomega.9b04448. PMC 7114616. PMID 32258902. S2CID 214989827.

[5] "Silver stearate (CAS 3507-99-1) | Glentham Life Sciences". glentham.com. Retrieved 7 February 2023.

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