Praseodymium(III) oxalate is an
inorganic compound
In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemist ...
, a salt of
praseodymium metal and
oxalic acid
Oxalic acid is an organic acid with the systematic name ethanedioic acid and formula . It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a colorless solution in water. Its name comes from the fact that early inve ...
with the chemical formula C
6O
12Pr
2. The compound forms light green crystals, insoluble in water, also forms crystalline hydrates.
Synthesis
The reaction of soluble praseodymium salts with
oxalic acid
Oxalic acid is an organic acid with the systematic name ethanedioic acid and formula . It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a colorless solution in water. Its name comes from the fact that early inve ...
:
::
Properties
Praseodymium oxalate forms light green crystals. It is poorly soluble in water.
The compound forms crystalline hydrates (light green crystals): Pr
2(C
2O
4)
3•10H
2O.
The crystalline hydrate decomposes stepwise when heated:
::
Uses
The compound is used as an intermediate product in the synthesis of praseodymium. It is also applied to colour some glasses and enamels. If mixed with certain other materials, the compound paints glass intense yellow.
References
{{Oxalates
Inorganic compounds
Praseodymium compounds
Oxalates