Trisodium citrate dihydrate is a salt of citric acid with the chemical formula C6H5Na3O7⋅2H2O, used as a food additive, buffering agent, emulsifier, and sequestrant. It is a white, crystalline powder that is safe for consumption and occurs naturally in citrus fruits. It has various applications, including as a preservative in food, a pH adjuster in pharmaceuticals, and an anticoagulant in medical blood collection.
Uses and functions
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Food and beverages:Used as a buffering, sequestering, or emulsifying agent to control pH, regulate acidity, enhance flavor, and preserve food. It is often found in processed cheeses, gelatin desserts, and drinks.
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Pharmaceuticals:Used as an alkalizing agent or buffering agent to control pH in medications, such as those containing azithromycin or quetiapine.
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Medical:It is an anticoagulant used in medical blood collection and can also replace bicarbonate in oral rehydration salts solutions.
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Industrial:Utilized in various industrial applications for its buffering and sequestering properties.
