Molecule
Name
Trisodium citrate
IUPAC name
Trisodium citrate
Secondary names
Trisodium 2-hydroxypropane-1,2,3-tricarboxylate, Citrosodine, Sodium citrate, Na3C6H5O7
InChI
InChI=1S/C6H8O7.3Na/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;3*+1/p-3
InChI key
HRXKRNGNAMMEHJ-UHFFFAOYSA-K
CAS number
6858-44-2
Structure and atomic composition
Formula
$HOC(CH_2COO^-)_2COO^- \cdot (Na^+)_3$
Chemical formula
HOC(COO.Na)(CH2COO.Na)2
Structural formula
[CH2](C(=O)[O-])C([CH2]C(=O)[O-])C(=O)[O-].[Na+].[Na+].[Na+]
Charge
0
Unpaired electrons
0
  Atom Name Number
$C$ Carbon 6
$H$ Hydrogen 5
$O$ Oxygen 4
$O^-$ Oxide anion 3
$Na^+$ Sodium cation 3
Relations
  • no
Isotope mixture type
terrestrial abundance
Spin type
equilibrated
Molar mass
258.069 $g/mol$
State STP
solid
State NTP
solid
Protic
protic
Polarity
polar
Molecule symmetry
unknown
Case
nonlinear-polyatomic
Chemical functions
  Function Number
$R-C(=O)-O^-$ 3
$R-OH$ 1
$R-CH_2-R$ 2
Chemical bonds
  Bond Number
$\geq C-H$ 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
$Na^+ \cdot O^{-}-$ 3