Sodium Acetate

CH₃COONa

IUPAC: Sodium acetate

CAS: 127-09-3

Overview

Sodium acetate is the sodium salt of acetic acid, used in food preservation, heating pads, and as a buffer. Supersaturated solutions create instant hot ice.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 3 1.0080
Carbon C 2 12.0110
Oxygen O 2 15.9990
Sodium Na 1 22.9900

Elemental Composition

H
Hydrogen ×3
3.7%
C
Carbon ×2
29.3%
O
Oxygen ×2
39.0%
Na
Sodium ×1
28.0%

Uses

  • • Food preservative (E262)
  • • Hand warmer/heating pad
  • • Buffer solution
  • • Textile dyeing

Fun Facts

  • ✦ Supersaturated sodium acetate solution creates dramatic instant crystallization (hot ice)

Structure

SMILES

CC(=O)[O-].[Na+]

Properties

Type
salt
State
solid
Molar Mass
82.03 g/mol
Density
1.5280 g/cm³
Melting Point
324.0 °C
Solubility
464 g/L at 20°C

Molecular Descriptors

Exact Mass
82.0031
TPSA
40.1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
5
Complexity
34.0

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Barium Chloride

BaCl₂

Barium Sulfate

BaSO₄

Cadmium Sulfide

CdS

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Frequently Asked Questions

What is Sodium Acetate?
Sodium Acetate (CH₃COONa) is a salt compound with the IUPAC name Sodium acetate.
What is the molecular weight of Sodium Acetate?
Sodium Acetate has a molar mass of 82.03 g/mol.
What state is Sodium Acetate at room temperature?
Sodium Acetate is a solid at room temperature.
Is Sodium Acetate organic or inorganic?
Sodium Acetate is classified as an inorganic compound.
What elements make up Sodium Acetate?
Sodium Acetate (CH₃COONa) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sodium (Na).