Praseodymium(III) oxalate is an
inorganic compound
An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bondsthat is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as ''inorganic chemistry''.
Inorgan ...
, a salt of
praseodymium
Praseodymium is a chemical element; it has symbol Pr and atomic number 59. It is the third member of the lanthanide series and is considered one of the rare-earth metals. It is a soft, silvery, malleable and ductile metal, valued for its magnetic ...
metal and
oxalic acid
Oxalic acid is an organic acid with the systematic name ethanedioic acid and chemical formula , also written as or or . It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a colorless solution in water. Its name i ...
, with the chemical formula C
6O
12Pr
2. The compound forms light green crystals that are insoluble in water. It also forms crystalline hydrates.
Preparation
Praseodymium(III) oxalate can be prepared from the reaction of soluble praseodymium salts with
oxalic acid
Oxalic acid is an organic acid with the systematic name ethanedioic acid and chemical formula , also written as or or . It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a colorless solution in water. Its name i ...
:
::
Properties
Praseodymium(III) oxalate forms crystalline hydrates (light green crystals): Pr
2(C
2O
4)
3•10H
2O. The crystalline hydrate decomposes stepwise when heated:
::
Uses
Praseodymium(III) oxalate 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(III) compounds
Oxalates