Lanthanum(III) chloride

Template:Chembox header | Lanthanum(III) chloride

Lanthanum(III) chloride
Template:Chembox header | General
Other names  | lanthanum trichloride
Molecular formula | LaCl3
Molar mass | 245.26 g/mol
Appearance  | white odorless powder
CAS number | [10099-58-8]
Template:Chembox header | Properties
Density and phase | 3.84 g/cm3, solid
Solubility in water | very soluble
Melting point | 860.0°C
Boiling point | 1000.0°C
Template:Chembox header | Hazards
EU classification | not listed
NFPA 704 |
Template:Chembox header | Except where noted otherwise, data are given for
materials in their standard state (at 25 °C, 100 kPa)
Infobox disclaimer and references

Lanthanum chloride (LaCl3) is a chemical compound. It is used as a mild Lewis acid to perform chemical reactions that usually require acidic conditions, such as converting aldehydes to acetals, under nearly neutral conditions.

The lanthanide ions are 9 coordinate in the trichloride.

The compound has been identified as a catalyst for the high pressure oxidative chlorination of methane to chloromethane with hydrochloric acid and oxygen [1]. Interestingly in this process the +3 oxidation state of lanthanum remains unchanged.

## Uses

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Lanthanum chloride can be used to remove phosphates in swimming pools, which helps prevent algae growth.

## External links

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## References

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1. ↑ Methyl Chloride Production from Methane over Lanthanum-Based CatalystsSimon G. Podkolzin, Eric E. Stangland, Mark E. Jones, Elvira Peringer, and Johannes A. Lercher J. Am. Chem. Soc.; 2007; 129(9) pp 2569 - 2576; (Article) doi:10.1021/ja066913w

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