Sodium tartrate is a sodium salt derived from tartaric acid, commonly found in grapes. It appears as a white crystalline powder and is often used in food and pharmaceutical applications. In the food industry, it acts as a stabilizer and emulsifier, helping to maintain the texture and consistency of various products. In addition to its culinary uses, sodium tartrate is utilized in laboratory settings as a buffering agent. It helps maintain a stable pH in solutions, making it valuable in biochemical experiments. Its chemical formula is C4H4Na2O6, and it is generally recognized as safe for consumption.