![]() | |
Names | |
---|---|
Other names lanthanum(3+);oxalate, lanthanum sesquioxalate | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.007.871 |
EC Number |
|
PubChem CID | |
CompTox Dashboard (EPA) | |
| |
| |
Properties | |
C 6La 2O 12 | |
Molar mass | 541.87 g/mol |
Appearance | colorless crystals |
Density | g/cm3 |
poorly soluble | |
Hazards | |
GHS labelling: | |
![]() ![]() | |
Warning | |
H302, H312, H317, H411 | |
P261, P264, P270, P272, P273, P280, P301+P317, P302+P352, P317, P321, P330, P333+P317, P362+P364, P391, P501 | |
Related compounds | |
Other cations | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Lanthanum oxalate is an inorganic compound, a salt of lanthanum metal and oxalic acid with the chemical formula La
2(C
2O
4)
3. [1] [2]
Reaction of soluble lanthanum nitrate with an excess of oxalic acid:
Also, a reaction of lanthanum chloride with oxalic acid:
Lanthanum(III) oxalate forms colorless crystals that are poorly soluble in water. [3]
The compound forms various crystallohydrates La
2(C
2O
4)
3•nH
2O, where n = 1, 2, 3, 7, and 10. [4] [5]
The crystallohydrates decompose when heated. [6]