Potassium tartrate

C4H4K2O6CAS 921-53-9226.27 g/mol

O−OOHOHO−OK+K+
AlcoholCarboxylic acid

Properties

Molecular formula
C4H4K2O6
Molar mass
226.27 g/mol
Exact mass
225.9282 Da
Density
1.98 g/mL
logP
-2.88Crippen estimate
Polar surface area
115.1 Ų
H-bond donors / acceptors
4 / 4
Rotatable bonds
3
Stereocentres
R, Rin SMILES atom order

Hazards

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

Identifiers

CAS number
921-53-9
SMILES
[O-]C(=O)[C@H](O)[C@@H](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

10 names
  • Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium salt (1:2)
  • Tartaric acid, dipotassium salt
  • Butanedioic acid, 2,3-dihydroxy- [R-(R*,R*)]-, dipotassium salt
  • Potassium tartrate (K2O6C4H4)
  • Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, dipotassium salt
  • Dipotassium tartrate
  • Dipotassium L-tartrate
  • Dipotassium L-(+)-tartrate
  • Soluble tartar
  • Neutral potassium tartrate

Work with Potassium tartrate

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