Silver lactate

Silver lactate is an organic chemical compound, a salt of silver and lactic acid[1] with the formula CH3CH(OH)COOAg.[2][3]

Silver lactate
Names
Other names
silver; 1-hydroxy-1-oxopropan-2-olate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.221
EC Number
  • 239-859-3
  • InChI=1S/C3H5O3.Ag/c1-2(4)3(5)6;/h2H,1H3,(H,5,6);/q-1;+1
    Key: CUPCAVOUAWGFEI-UHFFFAOYSA-N
  • [Ag+].[O-]C(C(=O)O)C
Properties
CH3CH(OH)COOAg
Molar mass 196.93 g/mol
Appearance Gray to purple powder or flakes
Melting point 120–122 °C (248–252 °F; 393–395 K)
Boiling point 227.6 °C (441.7 °F; 500.8 K)
Soluble
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P302, P305, P338, P351, P352
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Synthesis

Silver lactate can be made by the reaction of silver carbonate with lactic acid.

Physical properties

Silver lactate forms light gray crystals.[4]

Silver lactate is soluble in water, slightly soluble in ethanol.

Silver lactate forms a crystalline hydrate of composition CH3CH(OH)COOAg•H2O.

Silver lactate is a reagent for the precipitation of uric acid.[5]

Chemical properties

The compound reacts with triphenylphosphine gold chloride in a mixed solvent of benzene and dichloromethane to obtain colorless triphenylphosphine gold lactate.[6]

The compound reacts with a tetraphosphine ligand, dppbpda, to obtain a coordination polymer [(dppbpda)Ag4(CH3CH(OH)COO)4]n.[7]

References
  1. Hacker, Gerhard W.; Gu, Jiang (17 April 2002). Gold and Silver Staining: Techniques in Molecular Morphology. CRC Press. p. 62. ISBN 978-1-4200-4023-4. Retrieved 18 January 2022.
  2. "Silver Lactate". American Elements. Retrieved 18 January 2022.
  3. "Silver lactate". Sigma Aldrich. Retrieved 18 January 2022.
  4. Hayat, M. A. (3 August 1995). Immunogold-Silver Staining: Principles, Methods, and Applications. CRC Press. p. 30. ISBN 978-0-8493-2449-9. Retrieved 18 January 2022.
  5. Cornell University Medical Bulletin. 1928. p. 296. Retrieved 18 January 2022.
  6. Fackler, John P.; Khan, M. Nazrul I.; King, Christopher; Staples, Richard J.; Winpenny, Richard E. P. (1 July 1991). "Decarboxylation of (triphenylphosphine)gold(I) carboxylates". Organometallics. 10 (7): 2178–2183. doi:10.1021/om00053a021. ISSN 0276-7333. Retrieved 23 January 2022.
  7. Zhang, Min; Feng, Meng‐Yao; Yan, Jia‐Jun; Li, Hai‐Yan; Young, David James; Li, Hong‐Xi; Ren, Zhi‐Gang (21 June 2021). "New Silver(I)‐P4 Coordination Polymers Strongly Adsorb Congo Red to Yield Composites with Enhanced Photocurrent Responses". European Journal of Inorganic Chemistry. 2021 (23): 2262–2265. doi:10.1002/ejic.202100228. S2CID 235558940. Retrieved 23 January 2022.
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