Solid phase
Official name
Ammonium citrate dibasic
Secondary names
Ammonium hydrogencitrate; Ammonium hydrogen citrate; Diammonium hydrogen citrate; Di-ammonium hydrogen citrate; Citric acid ammonium salt; Citric acid, diammonium salt; citro diamine; HOC(CO2H)(CH2CO2NH4)2; C6H14N2O7
CAS number
3012-65-5
Family
ionic solid
Class
normal salt
Compound type
organic salt
Formula
$(NH_4^+)_2 \cdot HOC(COOH)(CH_2COO^-)_2$
Chemical formula
(NH4)2HOC(COOH)(CH2COO)2
Elemental formula
(N+)2 H13 C6 O4 (O-)3
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
$HOC(CH_2COO^-)_2COO^-$ citrate ion molecule 1 0.3333333333333333 1 constituent anion main
Chemical functions
  Function Number
$H_4 >\mid N^+$ 2
$R-C(=O)-OH$ 1
$R-C(=O)-O^-$ 3
$R-OH$ 1
$R-CH_2-R$ 2
Chemical bonds
  Bond Number
$>\mid N^+ \cdot O^{-}-$ 2
$\geq N^+-H$ 4
$\geq C-H$ 4
$\geq C-C \leq$ 2
$\eqslantgtr C-C\leq$ 3
$-O-H$ 1
$\geq C-O-$ 1
$>C=O$ 3
$\eqslantgtr C-O^-$ 3
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Molar mass
226.18 $g/mol$
Density
1.48 $g/cm^3$
State NTP
solid
Pure color
colorless
Color
colorless, white
Diaphaneity
transparent to translucent