Disodium citrate
Disodium citrate is a sodium acid salt of citric acid with the chemical formula Na2C6H6O7. It is commonly used in the food and beverage industry as an emulsifier, buffer, and sequestrant. Disodium citrate is also utilized in the pharmaceutical industry and in various industrial applications.
Chemical Properties[edit]
Disodium citrate is a white, crystalline powder that is highly soluble in water. It has a slightly salty taste and is odorless. The compound is formed by the neutralization of citric acid with sodium hydroxide or sodium carbonate.
Uses[edit]
Food and Beverage Industry[edit]
In the food and beverage industry, disodium citrate is used as an emulsifier to maintain the consistency of products such as processed cheese, ice cream, and carbonated beverages. It acts as a buffer to control the pH levels in various food products, ensuring stability and extending shelf life. Additionally, it serves as a sequestrant to bind metal ions, preventing them from affecting the color, flavor, and texture of food.
Pharmaceutical Industry[edit]
In the pharmaceutical industry, disodium citrate is used as an excipient in the formulation of various medications. It helps to stabilize active ingredients and improve the taste of oral medications. It is also used in anticoagulant solutions for blood storage and in effervescent tablets.
Industrial Applications[edit]
Disodium citrate is used in various industrial applications, including detergents, cleaning agents, and water treatment. It acts as a chelating agent to bind metal ions, enhancing the effectiveness of cleaning agents and preventing scale formation in water systems.
Safety and Handling[edit]
Disodium citrate is generally recognized as safe (GRAS) by the Food and Drug Administration (FDA) when used in accordance with good manufacturing practices. However, it should be handled with care to avoid inhalation or contact with skin and eyes. Proper personal protective equipment (PPE) should be used when handling the compound.
See Also[edit]
References[edit]
External Links[edit]
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