Potassium Citrate
molecular structure · PubChem
AKA: TRIPOTASSIUM CITRATE, 866-84-2, Kaliksir, Potassium citrate anhydrous, Litocit, Porekal, Kajos, Urocit K, Seltz-K, K citrate
Synthetic
Chelating Agent
Chemical Exfoliant
Clean
Potassium citrate (anhydrous) is the anhydrous form of the tripotassium salt of citric acid. It has a role as a diuretic. It contains a citrate(3-).
Solubility 1 G DISSOLVES IN 0.65 ML WATER
Formula
C6H5K3O7
Mol. Weight
306.39
CAS #
866-84-2
Form
Powder
State
Liquid; NKRA
Functions
Buffering
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Stabilizes pH
Removes Metal Ions
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Maintains optimal pH
Binds metal ions
Traditional Use
Citric acid and its salts have been used since ancient times in cosmetics and medicine for their pH-regulating properties. The potassium form was refined in the 20th century as a buffer and pH-control ingredient.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR