Neodymium perrhenate

Neodymium perrhenate is an inorganic compound with the chemical formula Nd(ReO₄)₃, which exists in anhydrous and tetrahydrate.^[1][2] It can be obtained by reacting excess neodymium oxide with 240 g/L perrhenic acid solution.^[3] In its solution, NdReO₄²⁺ and Nd(ReO₄)²⁺ can be observed with stability constants of 16.5 and 23.6, respectively.^[4]

Neodymium perrhenate

Identifiers
CAS Number	14020-41-8 anhydrate Y 18222-80-5 tetrahydrate Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Nd.12O.3Re/q+3;;;;;;;;;;3*-1;;; Key: YWVGJWGZZGKVIR-UHFFFAOYSA-N
SMILES [Nd+3].[O-][Re](=O)(=O)=O.[O-][Re](=O)(=O)=O.[O-][Re](=O)(=O)=O
Properties
Chemical formula	Nd(ReO4)3
Solubility in water	soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Nd₄Re₆O₁₉ can be obtained by reacting neodymium perrhenate and NdRe₂ at high temperature.^[5]

See also

• Neodymium
• Rhenium
• Perrhenate