Trisodium citrate, also known as sodium citrate, is a salt of citric acid and is widely used in various industries for its versatility and functional properties. It is a white crystalline powder with a sour taste and is soluble in water. Trisodium citrate serves as a food additive and is commonly used as a flavoring agent, preservative, and acidity regulator in the food and beverage industry. It acts as a buffering agent, helping to stabilize the pH level in processed foods and beverages. Trisodium citrate is also used as an emulsifier and chelating agent, improving the texture and stability of food products. It is often found in carbonated drinks, jams, ice creams, and processed cheeses. In the pharmaceutical industry, trisodium citrate is utilized as a pH regulator and buffering agent in various medications and oral solutions. It helps to maintain the stability and effectiveness of these formulations. Moreover, trisodium citrate finds applications in the cosmetic industry, where it functions as a pH adjuster, chelating agent, and stabilizer in personal care products such as lotions, creams, and shampoos. Its ability to control acidity and enhance stability makes it valuable in many industrial applications. Overall, trisodium citrate is a versatile compound with diverse applications in the food, pharmaceutical, and cosmetic industries.