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
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.