Structure via PubChem · Public domain (PubChem)
tripotassium citrate
Sign in to saveAlso known as Urocit-K, anhydrous potassium citrate, anhydrous tripotassium citrate, citric acid tripotassium salt (anhydrous), citric acid tripotassium salt (anh.), potassium citrate (anh.), tripotassium citrate (anhydrous), tripotassium citrate (anh.)
chemical compound
In the Vinony graph
Within Vinony's link graph, tripotassium citrate is referenced by 92 other articles, and connects out to kidney stone disease, hygroscopy and hydroxylapatite.
It is catalogued under topics including Chembox image size set, Citrates and ECHA InfoCard ID from Wikidata.
Its subject is documented across 28 Wikipedia language editions.
Chemical data
- Formula
- C6H5K3O7
- Molecular weight
- 306.39 g/mol
- IUPAC name
- tripotassium;2-hydroxypropane-1,2,3-tricarboxylate
- SMILES
- C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[K+].[K+].[K+]
- InChIKey
- QEEAPRPFLLJWCF-UHFFFAOYSA-K
- Polar surface area
- 141 Ų
- H-bond donors
- 1
- H-bond acceptors
- 7
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Max clinical phase
- Approved
- Molecule type
- Small molecule
- First approval
- 1985
- Admin. routes
- oral
via ChEMBL · EBI
Research
2,657 papers- Kidney stones: pathophysiology and medical management.Lancet (London, England) · 2006
- Fixation of Tripotassium Citrate Flame Retardant Using a Sorbitol and Citric Acid Wood-Modification Treatment.Materials (Basel, Switzerland) · 2024
- Citrate and calcium kidney stones.Clinical kidney journal · 2025
- Potassium/Sodium Citrate Attenuates Paclitaxel-Induced Peripheral Neuropathy.International journal of molecular sciences · 2025
- Effect of Feed Supplementation with Tripotassium Citrate or Sodium Chloride on the Development of Urinary Calcium Oxalate Crystals in Fattening Pigs.Veterinary sciences · 2022
via PubMed
Wikidata facts
- Subclass of
- chemical compound
- Has part
- citrate
- Mass
- 305.895
- Has use
- medication
Show 7 more facts
- chemical formula
- C₆H₅K₃O₇
- World Health Organisation international non-proprietary name
- potassium citrate
- canonical SMILES
- C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[K+].[K+].[K+]
- medical condition treated
- renal tubular acidosis
- defined daily dose
- 4
- subject has role
- diuretic
- Commons category
- Potassium citrate
via Wikidata · CC0
~3 min read
Encyclopedic overview
Potassium citrate (also known as tripotassium citrate) is a potassium salt of citric acid with the molecular formula K3C6H5O7. It is a white, hygroscopic crystalline powder. It is odorless with a saline taste. It contains 38.28% potassium by mass. In the monohydrate form, it is highly hygroscopic and deliquescent.
As a food additive, potassium citrate is used to regulate acidity, and is known as E number E332. Medicinally, it may be used to control kidney stones derived from uric acid or cystine.
Excerpted from Wikipedia’s “tripotassium citrate” article, available under the CC BY-SA 4.0 licence.