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Sodium citrate is a sodium salt of citric acid, commonly used as an acidity regulator and a buffering agent in pharmaceutical formulations. It is a white, crystalline powder that is highly soluble in water. Sodium citrate works by neutralizing excess acidity and stabilizing pH levels in various applications. It is typically used in the pharmaceutical industry for its properties as a preservative and an emulsifier in drug formulations.
| Chemical formula | C6H5Na3O7 |
| Molecular weight | 258.06 g/mol |
| Purity | Typically ≥ 99% |
| Appearance | White crystalline powder |
| Solubility | Soluble in water |
When selecting sodium citrate, buyers should consider the required purity levels and any specific regulatory compliance needed for their application. It is essential to specify the intended use, whether for pharmaceutical, food, or other applications, as well as the desired packaging and quantity. Buyers should also inquire about available certifications and testing results to ensure product quality.
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Sodium citrate is used as a buffering agent, acidity regulator, and preservative in pharmaceuticals and food products.
Yes, sodium citrate is generally recognized as safe (GRAS) when used in appropriate amounts.
Sodium citrate should be stored in a cool, dry place, away from moisture and direct sunlight.
Yes, sodium citrate is often used in dietary supplements as a source of citric acid.
The typical purity of sodium citrate is 99% or higher for pharmaceutical applications.
Sodium citrate is generally well tolerated, but excessive consumption may lead to gastrointestinal discomfort.