Cerium oxalate

Cerium(III) oxalate (cerous oxalate) is the inorganic cerium salt of oxalic acid. It is a white crystalline solid with the chemical formula of Ce2(C2O4)3. It could be obtained by the reaction of oxalic acid with cerium(III) chloride.

Cerium oxalate
Names
IUPAC name
Cerium(III) oxalate
Other names
  • Cerium oxalate
  • Cerous oxalate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.004.875
PubChem CID
UNII
Properties
Chemical formula
 C6Ce2O12
Molar mass 544.286 g·mol−1
Appearance White crystals
Melting point Decomposes
Solubility in water
 Slightly soluble
Pharmacology
A04AD02 (WHO)
Hazards
Main hazards Corrosive, Irritant, Respiratory irritant, Toxic
Safety data sheet External SDS
GHS pictograms [1]
GHS Signal word Danger[1]
GHS hazard statements
 H301, H311, H314, H319, H331, H335, H370[1]
GHS precautionary statements
 P260, P264, P270, P271, P280, P301+310, P302+352, P304+340, P305+351+338, P308+313, P332+313, P403+233[1]
NFPA 704 (fire diamond)
Flammability code 0: Will not burn. E.g. waterHealth code 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasReactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
0
3
1
Flash point 188.8 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Uses

Cerium(III) oxalate is used as an antiemetic.[2][3] It has been identified as part of the invisible ink that was used by Stasi operatives during the Cold War.[4]

Toxicity

Cerium(III) oxalate irritates skin and mucous membranes, and is a strong irritant to eyes. If it gets into the eyes, there is a danger of severe eye injury.

Cerium salts increase the blood coagulation rate, and exposure to cerium salts can cause sensitivity to heat.

Oxalates are corrosive to tissue and are powerful irritants. They have a caustic effect on the linings of the digestive tracts and can cause kidney damage.

References
  1. "Cerium(III) Oxalate, Anhydrous". American Elements. Retrieved 2019-03-26.
  2. "KEGG DRUG: Cerium oxalate". KEGG DRUG Database. Retrieved 2019-03-26.
  3. Milne, G. W. A. (2017-11-01). Drugs: Synonyms and Properties: Synonyms and Properties. ISBN 9781351755092.
  4. "Cold War Invisible Ink Secrets Unlocked". ScienceDaily. 2006-11-08.
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