Potassium Citrate

Food Grade · Pharma Grade — Bulk supply across India & International Markets

What is Potassium Citrate?

Potassium Citrate is the potassium salt of citric acid, available as a white, highly water-soluble crystalline powder valued for its buffering, sequestering, and mild alkalising properties. As a source of potassium that does not contribute chloride ions, it has particular value in both food applications requiring pH control and pharmaceutical applications requiring potassium supplementation or urinary alkalisation, where its citrate component offers additional physiological benefits beyond simple potassium delivery.

Polychem Industries supplies Potassium Citrate in food grade and pharmaceutical grade to beverage manufacturers, processed food companies, and pharmaceutical formulators across India and internationally. Its effectiveness as a buffering agent, sequestrant, and potassium source — combined with its pleasant, mild taste compared to some other potassium salts — makes it valuable across both food technology and medical applications.

Available Grades

GradeFormPurityStandardApplications
Food GradeWhite crystalline powder/granules99%+ (Food / Pharma Grade)FSSAI / FCC / E332Beverages, food buffering, processed cheese, confectionery
Pharma GradeWhite crystalline powder99%+USP / BP / IPUrinary alkalinisers, electrolyte formulations, effervescent products

Applications & Uses

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Beverages & Soft Drinks

Used as a buffering agent and acidity regulator in carbonated beverages, sports drinks, and flavoured beverages, helping maintain consistent pH and flavour stability while providing a milder taste profile compared to some other buffering salts.

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Processed Cheese & Dairy

Used as an emulsifying salt in processed cheese manufacturing, helping control the texture, meltability, and stability of processed cheese products, and similarly in certain dairy product formulations.

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Confectionery & Food Buffering

Used as a buffering and sequestering agent in various confectionery and processed food applications, helping maintain product stability and control pH-sensitive reactions during manufacturing and storage.

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Pharmaceutical Urinary Alkalinisers

Pharma Grade Potassium Citrate is widely used in medications for managing certain kidney stone conditions and urinary tract disorders, where its alkalising effect on urine helps reduce the risk of certain types of stone formation.

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Electrolyte & Rehydration Formulations

Used in oral electrolyte and rehydration formulations as a potassium source, valued for providing potassium supplementation without the chloride content associated with potassium chloride-based products.

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Effervescent & Pharmaceutical Tablets

Used in effervescent tablet formulations and various pharmaceutical tablet products, contributing both functional buffering properties and a potassium citrate active ingredient component where clinically indicated.

Technical Specifications

Potassium Citrate — Key Properties

Chemical FormulaK3C6H5O7
CAS Number6100-05-6 (tripotassium citrate monohydrate)
Molecular Weight324.41 g/mol (anhydrous) / 342.43 g/mol (monohydrate)
AppearanceWhite crystalline powder/granules
Purity99%+ (Food / Pharma Grade)
SolubilityHighly soluble in water (~167 g/100 mL at 25°C)
Density / Bulk DensityBulk density: 0.7–0.9 g/cm3
pH7.5 – 9.0 (5% solution, mildly alkaline)
Packaging Available25 kg bags
StorageStore in cool, dry place away from moisture. Slightly hygroscopic — keep sealed to prevent caking. Shelf life 36 months.

Why Source Potassium Citrate from Polychem Industries?

  • Food Grade (E332) and Pharma Grade available with full documentation
  • Pharma Grade meets USP / BP / IP specifications for medical use
  • FSSAI compliant Food Grade supply with Certificate of Analysis
  • Provides potassium without chloride content
  • Reliable bulk supply for beverage, food and pharmaceutical manufacturers
  • Export documentation experience for international shipments

Frequently Asked Questions

Why is Potassium Citrate preferred over Potassium Chloride in certain medical applications?
Potassium Citrate is often preferred in applications such as kidney stone management because, beyond simply providing potassium, the citrate component itself has beneficial effects on urine chemistry, helping to inhibit the crystallisation of calcium-based kidney stones and increase urinary pH. Potassium Chloride, by contrast, primarily provides potassium and chloride without this additional citrate-related benefit, making Potassium Citrate the preferred choice for specific urological applications.
What is the role of Potassium Citrate in processed cheese?
In processed cheese manufacturing, Potassium Citrate functions as an emulsifying salt, helping to disperse and stabilise the fat and protein components of the cheese blend during the melting and processing stage. This contributes to the smooth, uniform texture and proper melting characteristics expected in processed cheese products, similar to the role played by Sodium Citrate but without adding sodium.
Is Potassium Citrate safe to consume in food and supplements?
Yes — Potassium Citrate is approved as a food additive (E332) by food safety authorities including FSSAI, and is widely used in pharmaceutical formulations under appropriate medical guidance. It has an extensive history of safe use in both food and pharmaceutical applications when used within approved usage levels.
Do you export Potassium Citrate outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. Contact us for export pricing and lead times.

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