Potassium Citrate
Potassium citrate raises pH and buffers in the range 4.5-8.0 without adding sodium, which matters in low-sodium formulations and in sports drinks where potassium is a claimed electrolyte.
Key Specifications
| CAS number | 866-84-2 |
|---|---|
| E number | E332 |
| Assay | 99-100.5 percent |
| Potassium content | 36 percent |
| pH (5% solution) | 7.5-9.0 |
| Mesh | 30 / 60 |
Buffering without sodium
Potassium citrate raises pH and buffers in the range 4.5-8.0 without adding sodium, which matters in low-sodium formulations and in sports drinks where potassium is a claimed electrolyte.
Masking acidity in beverages
It softens the sharp edge of citric acid, giving a rounder acidity in juice drinks and plant waters where a pure acid system tastes harsh.
Typical Applications
- Sports and electrolyte drinks — 0.05-0.2 percent as potassium source and buffer.
- Dairy and plant milk — 0.1-0.3 percent stabilises protein against heat and pH shift.
Frequently Asked Questions
Anhydrous or monohydrate?
They behave the same in formulation; choose by cost and availability.
How much potassium does it deliver?
About 36 percent by weight, so 1 g provides roughly 360 mg potassium.
Is it a sodium substitute?
Functionally yes for buffering, though the taste differs and sodium still contributes saltiness.
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