Potassium Citrates E332
buffering agent, sequestrant β Primarily synthetic (from citric acid).
Tripotassium citrate (E332i), Monopotassium citrate (E332ii)
CAS: 866-84-2 (i), 3609-96-9 (ii)
Factual Regulatory Reference
This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.
? Did You Know?
Beyond food, Potassium Citrates is also used in cosmetics, medicine, industrial applications, household products. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.
In the EU, Potassium Citrates has a "quantum satis" authorization β Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.
Detailed Regulatory Assessment
European Union (EFSA)
Permitted in various food categories
Official EFSA LinkUnited States (FDA)
Regulated as a direct food additive under FDA CFR titles.
Japan (MHLW)
Compliant with Japanese food sanitation law.
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Natural Occurrence
This additive is not known to occur naturally in significant quantities.
Manufacturing
Produced by neutralizing citric acid with potassium hydroxide or potassium carbonate. The degree of neutralization determines whether monopotassium citrate (E332ii) or tripotassium citrate (E332i) is formed. Tripotassium citrate is the most commonly used form.
Applications Beyond Food
pH adjuster and buffering agent in personal care products.
Urinary alkalinizer for treating kidney stones, electrolyte replenisher, buffering agent.
Cleaning agents, water treatment, antifreeze formulations.
Descaling products, water softeners.