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
Type
Family
ionic solid
Class
normal salt
Compound type
carbonate
Chemical composition
Formula
$(NH_4^+)_2 \cdot CO_3^{2-}$
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
$NH_4^+$ Ammonium ion molecule 2 0.6666666666666666 1 constituent cation main
$(CO_3)^{2-}$ Carbonate anion chemical function 1 0.3333333333333333 1 constituent anion main
Chemical functions
  Function Number
$H_4 >\mid N^+$ 2
$(CO_3)^{2-}$ 1
Chemical bonds
  Bond Number
$>\mid N^+ \cdot O^{-}-$ 2
$\geq N^+-H$ 4
$\dddot - \dddot - C \dddot - O^{-2/3}$ 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 $g/cm^3$
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
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