Solid phase
Official name
Copper(II) nitrate trihydrate
Secondary names
Cupric nitrate trihydrate; Copper nitrate trihydrate
CAS number
10031-43-3
Type
Family
ionic solid
Class
normal salt
Compound type
nitrate
Chemical composition
Formula
$Cu^{2+}.(NO_3^-)_2 \bullet 3H_2O$
Chemical formula
Cu(N03)2.3(H2O)
Elemental formula
(Cu2+) (N+)2 O5 (O-)4 H6
Isotope mixture type
terrestrial abundance
12.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Cu^{2+}$ Copper cation element 1 0.16666666666666666 1 constituent cation main
$(NO_3)^-$ Nitrate anion chemical function 2 0.3333333333333333 1 anionic radical main
$H_2O$ Water molecule 3 0.5 1 hydration main
Chemical functions
  Function Number
$(NO_3)^-$ 2
$R-OH$ 2
Chemical bonds
  Bond Number
$\cdot Cu^{2+} \cdot O^{-}-$ 2
$-O-H$ 2
$\dddot - \dddot - N^+ \dddot - O^{-2/3}$ 3
Class
normal salts (07)
Type
hydrated simple normal salts (07.04)
Phase type
crystalline
Crystal system
triclinic
Crystal class
rhombohedral
Molar mass
241.60 $g/mol$
Density
2.32 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 387.5K (114.5°C)
liquid-gas gas but decomposes 443K (170°C)
Pure color
blue
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