What is Potassium Citrate

Potassium citrate is also referred to by its IUPAC name as tripotassium citrate. It is a salt resulting from citric acid and potassium. Its production is accomplished when either potassium carbonate or bicarbonate is added to a solution made of citric acid. Upon mixing, effervescence occurs. After the foaming stops, the potassium citrate mixture is filtered. Then, as a result of evaporation, the eventual salt emerges as a granular substance. In its purified state, potassium citrate is odorless, hygroscopic, salty to the taste, and contains nearly 40 percent potassium.

  • Synonyms: Citric Acid Tripotassium Salt, E 332, Tripotassium Citrate, Tripotassium Citrate Monohydrate
  • INCI: Potassium Citrate
  • Chemical formula: C6H5K3O7
  • CAS #: 6866-84-2


Use the links below to view all package sizes for these specific products:

Potassium citrate granular USP/FCC
Potassium citrate USP/FCC
Tripotassium citrate mono USP/FCC fine granular

Product specifications

AppearanceClear liquid
SolubilitiesSoluble in water
Meltiing point230℃ (446oF)
Molecular weight306.39 g/mol
Weight per gallon9.90 lbs/ gal
Classpreservative, buffer
GradesUSP, NF gradfe, Kosher, Halal

Uses and application of potassium citrate

Potassium citrate uses include acidulant, acne treatments, beverage mixes, beverages, body wash, buffer, cheese, chelating agent, concealer, cosmetics, detergents, dietetic foods, electroplating, emulsifier, facial cleaner, flavor enhancer, food additive, fruit juices gelatin, jellies & preserves, liquid hand soap, milk protein, mouthwash, oral care, photographic, sequesterant, urinary alkalizer.

  • Personal Care: It helps to naturally preserve cosmetics and personal care products by chelating (bonding) metals.
  • Pharmaceutical: Potassium citrate serves many medical purposes for both human and veterinary care. In human medicine, its ability to metabolize quickly and control pH levels in liquids such as blood makes it one of the ideal elements in the treatment of kidney stones, especially those that result from conditions such as renal tubular acidosis. Such a condition causes the inability of the kidneys to regulate pH levels within the body by disposing of acids from the bloodstream through urination.
  • Food and Nutrition: Potassium citrate is regularly employed as a buffering agent, flavoring agent, chelating agent, stabilizer, emulsifying salt, and antioxidant. Specifically, for food and beverage manufacturers, the ingredient is commonly used as a buffering agent for carbonated beverages — such as various sodas — to control the acidity of those beverages and, therefore, keep their pH levels within a desired range. Plus, when used as a food ingredient, potassium citrate effectively regulates the acidity of certain processed foods without the added bitterness that other salts can cause.


Potassium citrate is a salt resulting from citric acid and potassium. Its production is accomplished when either potassium carbonate or bicarbonate is added to a solution made of citric acid.

If you need high-quality potassium citrate and other ingredients from a distributor you can rely on, contact Brenntag North America now.

When food scientists, research and development teams, and procurement professionals need a reliable potassium citrate distributor, Brenntag North America is always there to help with dedicated account managers and tailor-made supply chain solutions. Our GFSI-certified warehousing and complete compliance with HACCP food safety regulations and ISO standards mean you can get the products you want as well as a company-wide commitment to food safety and traceability that minimizes your exposure to risk. To access on-time delivery of all the ingredients and food grade products your company needs, contact us today.

Potassium citrate is available in bags of 55 lb quantities.

You can download a copy of the SDS for potassium citrate from Brenntag Connect.

Download the SDS now.


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