Solid phase
Official name
Ammonium carbonate
Secondary names
Ammonia sesquicarbonate; Carbonic acid, ammonium salt (1:2); Diammonium carbonate; Carbonic acid diammonium salt; sal volatile; (NH4)2CO3; (NH4+)2 (CO3)2-; CH8N2O3
CAS number
506-87-6
Family
ionic solid
Class
normal salt
Compound type
carbonate
Formula
(NH4+)2CO32
Chemical formula
(NH4)2CO3
Elemental formula
(N+)2 H8 C O (O-)2
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
NH4+ Ammonium ion molecule 2 0.6666666666666666 1 constituent cation main
(CO3)2 Carbonate anion chemical function 1 0.3333333333333333 1 constituent anion main
Chemical functions
  Function Number
H4>∣N+ 2
(CO3)2 1
Chemical bonds
  Bond Number
>∣N+O 2
N+H 4
CO2/3 3
Class
normal salts (07)
Type
simple normal salts (07.01)
Group
sulfate (07.01.09)
Phase type
crystalline
Molar mass
96.09 g/mol
Density
1.50 g/cm3
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid (decomposes) 58 °C (331 K)
Pure color
colorless
Color
colorless, white
Diaphaneity
transparent to translucent