Solid phase
Official name
Zirconium(IV) sulfate tetrahydrate
Secondary names
Zirconium sulfate tetrahydrate; Zirconium sulphate tetrahydrate; Zirconium disulfate tetrahydrate; Zirconium orthosulfate tetrahydrate; Sulfuric acid, zirconium(4+) salt (2:1)
CAS number
7446-31-3
Type
Family
ionic solid
Class
normal salt
Compound type
sulfate
Chemical composition
Formula
$Zr^{4+} \cdot ((SO_4)^{2-})_2 \bullet 4(H_2O)$
Chemical formula
Zr(SO4)2•4(H2O)
Elemental formula
(Zr4+) S2 O8 (O-)4 H8
Isotope mixture type
terrestrial abundance
14.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Zr^{4+}$ Zirconium(IV) cation element 1 0.14285714285714285 1 constituent cation main
$(SO_4)^{2-}$ Sulfate anion chemical function 2 0.2857142857142857 1 anionic radical main
$H_2O$ Water molecule 4 0.5714285714285714 1 hydration main
Chemical functions
  Function Number
$(SO_4)^{2-}$ 2
$R-OH$ 2
Chemical bonds
  Bond Number
$\cdot (\cdot) (\cdot) Zr^{4+} \cdot O^{-}-$ 4
$-O \dots H-$
$-O-H$ 2
$\dddot - \dddot - \dddot - S \dddot - O^{-1/2}$ 4
Class
normal salts (07)
Type
hydrated simple normal salts (07.04)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Fddd
Molar mass
355.40 $g/mol$
Density
2.85 $g/cm^3$
State NTP
solid
Phase transitions comments
Phase transitions described in Bear and Mumme, 1969, Acta Cryst., B25, 1572
Refringence type
biaxial
Refraction index $n_{\alpha}$
1.646
Pure color
colorless
Color
white
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