Solid phase
Official name
Cobalt(II) nitrate
Secondary names
cobalt(2+);dinitrate; Cobaltous nitrate; Nitric acid, cobalt(2+) salt; Cobalt dinitrate
CAS number
10141-05-6
Family
ionic solid
Class
normal salt
Compound type
nitrate
Formula
Co2+(NO3)2
Chemical formula
Co(NO3)2
Elemental formula
(Co2+) (N+)2 O2 (O-)4
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Co2+ Cobaltous cation element 1 0.3333333333333333 1 constituent cation main
(NO3) Nitrate anion chemical function 2 0.6666666666666666 1 anionic radical main
Chemical functions
  Function Number
(NO3) 2
Chemical bonds
  Bond Number
Co2+O 2
N+O2/3 3
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Molar mass
182.943 g/mol
Density
2.49 g/cm3
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid, but decompose 373K (100 °C)
Pure color
pale red