Difference between revisions of "Lead formate"

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== Description ==
 
== Description ==
  
A white corrosion product that forms on [[lead]] exposed to [[formic acid]] or [[formaldehyde]].
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A white corrosion product that forms on [[lead]] exposed to [[formic acid]] or [[formaldehyde]]. Lead formate has been found in oil-based paintings (Švarcová et e. 2020)
 
[[[SliderGallery rightalign|Lead formate.TIF~FTIR (MFA)]]]
 
[[[SliderGallery rightalign|Lead formate.TIF~FTIR (MFA)]]]
 
== Risks ==
 
== Risks ==

Latest revision as of 12:51, 9 December 2022

Description

A white corrosion product that forms on Lead exposed to Formic acid or Formaldehyde. Lead formate has been found in oil-based paintings (Švarcová et e. 2020)

FTIR (MFA)

Lead formate.TIF

Risks

  • Poisonous
  • American Elements: SDS

Physical and Chemical Properties

  • Prisms or needles.
  • Slightly soluble in water. Insoluble in alcohol.
Composition PbC2H2O4
Melting Point 190 C (dec)
Density 4.63 g/ml
Molecular Weight 297.25

Resources and Citations

  • Švarcová S, Kočí E, Bezdička P, Garrappa S, Kobera L, Plocek J, Brus J, Šťastný M, Hradil D. Uncovering lead formate crystallization in oil-based paintings. Dalton Trans. 2020 Apr 28;49(16).
  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5243