Sodium Citrate

Sodium Citrate

Sodium citrate is a broad term referring to various salts formed when citric acid (a weak organic acid) reacts with sodium hydroxide (a strong base). The most common form is trisodium citrate.

Chemical Formula: Na₃C₆H₅O₇

CAS Number: 6132-04-3

Grade: FCC, USP

Appearance:  A white crystalline salt.

Uses:

• Acidity Regulator: It helps control the pH of various food and beverage products, preventing spoilage and maintaining flavor.

• Emulsifier: Stabilizes emulsions in some food products like cheese or salad dressings.

• Anticoagulant: Sodium citrate solution is used as an anticoagulant to prevent blood clotting in blood collection tubes.

Industry and Common Applications:

• Pharmaceuticals: Sodium Citrate is widely used as a buffering agent in organic synthesis and pharmaceutical manufacturing.

• Food and beverage Industry: It helps fix reactive dyes and vat dyes to textile fibers, improving the color fastness, brightness, and durability of dyed fabrics.

• Analytical Chemistry: It serves as an analytical reagent and standard in chemical analysis, laboratory tests, and research experiments.