Tri-sodium citrate, also known as sodium citrate, is a versatile compound with various applications. Here are some of its uses:
1. *Food industry*: It's used as a food additive (E331) to regulate acidity, enhance flavor, and preserve food products like jams, jellies, and soft drinks.
2. *Pharmaceuticals*: Tri-sodium citrate is used as an excipient in medications, helping to stabilize and buffer certain formulations.
3. *Medical applications*: It's used as an anticoagulant for blood samples and in medical formulations to treat certain conditions.
4. *Cleaning products*: Sodium citrate can act as a water softener and cleaning agent in detergents.
5. *Cosmetics*: It's sometimes used in personal care products for its buffering and chelating properties.