Solid phase
Official name
Cadmium(II) acetate dihydrate
Secondary names
cadmium acetate dihydrate; cadmium diacetate dihydrate; Cd(OAc).2H2O
CAS number
5743-04-4
Type
Family
ionic solid
Class
alkali salt
Compound type
organic salt
Chemical composition
Formula
$Cd^{2+} \cdot (CH_3COO^-)_2 \bullet 2(H_2O)$
Chemical formula
Cd(CH3CO2)2•2H2O
Elemental formula
(Cd2+) C4 H10 O4 (O-)2
Isotope mixture type
terrestrial abundance
10.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Cd^{2+}$ Cadmium cation element 1 0.2 1 constituent cation main
$(CH_3COO)^-$ Acetate ion molecule 2 0.4 1 constituent anion main
$H_2O$ Water molecule 2 0.4 1 hydration main
Chemical functions
  Function Number
$R-CH_3$ 1
$R-C(=O)-O^-$ 1
$R-OH$ 2
Chemical bonds
  Bond Number
$\cdot Cd^{2+} \cdot O^{-}-$ 2
$\geq C-H$ 3
$\eqslantgtr C-C\leq$ 1
$>C=O$ 1
$\eqslantgtr C-O^-$ 1
$-O-H$ 2
Class
alkali salts (06)
Type
hydrated simple alkali salts (06.04)
Phase type
crystalline
Molar mass
266.53 $g/mol$
Density
2.01 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid decomposition anhydrous Cd(CH3CO2)2 130 °C (403 K)
Pure color
colorless
Color
colorless, white
Diaphaneity
transparent to translucent
Luster
vitreous
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