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Lanthanum carbonate, La2(CO3)3, is the salt formed by lanthanum(III) cations and carbonate anions. It is an ore of lanthanum metal, (Bastnäsite) along with monazite.

Lanthanum carbonate
IUPAC name
Lanthanum carbonate
3D model (JSmol)
ECHA InfoCard 100.008.728
EC Number
  • 209-599-5
Molar mass 457.838 g/mol
Appearance White powder, hygroscopic
Density 2.6–2.7 g/cm3
Melting point decomposes
Solubility soluble in acids
V03AE03 (WHO)
Related compounds
Other anions
Lanthanum(III) oxide
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


Lanthanum carbonate is used as a starting material in lanthanum chemistry, particularly in forming mixed oxides, for example

Medical usesEdit

Lanthanum carbonate is used in medicine as a phosphate binder.[1] As a medication it is sold under the trade name Fosrenol by the pharmaceutical company Shire Pharmaceuticals. Due to its large size (1000 mg tablet is 2.2 cm in diameter), it may be possible to choke on the tablet if it is not chewed. It is prescribed for the treatment of hyperphosphatemia, primarily in patients with chronic kidney disease. It is taken with meals and binds to dietary phosphate, preventing phosphate from being absorbed by the intestine. For cats suffering from hyperphosphatemia it is available under the trade name Renalzin by Bayer Animal Health.[2]

However, when lanthanum carbonate is used for treating hyperphosphatemia, its side effects, namely myalgia, muscular cramping, and peripheral edema, should be clinically monitored.[3]

Other applicationsEdit

Lanthanum carbonate is also used for the tinting of glass,[citation needed] for water treatment, and as a catalyst for hydrocarbon cracking.


  1. ^ Editorial Staff (December 2004). "Lanthanum Carbonate". All Micromedex Systems. Micromedex, Inc. Archived from the original on 2007-09-14. Retrieved 2007-11-25.
  2. ^ Bayer Animal Health (26 September 2008). "Bayer Animal Health launches Renalzin for Cats" (PDF). Retrieved 2008-09-30.
  3. ^ Tonelli, Marcello; Pannu, Neesh; Manns, Braden (2010). "Oral Phosphate Binders in Patients with Kidney Failure". New England Journal of Medicine. 362 (14): 1312. doi:10.1056/NEJMra0912522. PMID 20375408.

External linksEdit

Wrong mineralogical dataEdit

" It is an ore of lanthanum metal, (Bastnäsite) along with monazite." Not true! Bastnäsite (correct name: bastnäsite-(La)) is La(CO3)F, that is, lanthanum carbonate fluoride. The mineral with the formula La2(CO3)3*8H2O is LANTHANITE-(La). Anhydrous La carbonate is unknown in the nature.Eudialytos (talk) 19:26, 29 July 2019 (UTC)