Potassium carbonate

CK2O3CAS 584-08-7138.20 g/mol

O−O−OK+K+
Carbonate

Properties

Molecular formula
CK2O3
Molar mass
138.20 g/mol
Exact mass
137.9122 Da
Density
2.29 g/mL
Melting point
891 °C
logP
-0.54Crippen estimate
Polar surface area
57.5 Ų
H-bond donors / acceptors
2 / 1
Rotatable bonds
0

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

Identifiers

CAS number
584-08-7
SMILES
[O-]C([O-])=O.[K+].[K+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

16 names · show all
  • Carbonic acid, potassium salt (1:2)
  • Potassium carbonate (K2CO3)
  • Carbonic acid, dipotassium salt
  • Pearl ash
  • Potassium carbonate (K2(CO3))
  • Dipotassium carbonate
  • Potassium carbonate (2:1)
  • Potash
  • Salt of tartar
  • Sorb KX 35
  • FG
  • DCAD Plus
  • CLIMB
  • PX 1390-1
  • EF 80
  • LH 90

Reactions

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 584-08-7. Each row opens the sheet with its composition and PDF.

Work with Potassium carbonate

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere