Sodium Citrate: Properties and Applications in Construction and More Industries

Sodium citrate, commonly referred to as trisodium citrate, is an acidic salt derived from citric acid, available as white crystals or powder. Renowned in chemical and food industries as a pH regulator and stabilizer, sodium citrate has unique properties that help in maintaining the stability of pH in various solutions. Its narrow high buffering capacity differs from those of many ordinary sodium salts. Historically sodium citrate has found its way into pharmaceutical preparations and beverages, where strict pH control is needed. Their bactericidal and refrigerative properties keep sodium citrate in widespread use. Sodium citrate is used as a common preservative in dairy products and beverages to help control the pH and is also important for many industrial applications. Remarkable Fact: Used in the medical professions, sodium citrate is an anticoagulant used in blood banks to keep the blood from clotting during storage so that it may be preserved for transfusions. Properties of Sodium Citrate ● CAS: 6132-04-3 ● Molecular Formula: C6H8O7.2H2O.3Na ● Melting Point: 150 °C (decomp) ● pH: ~6-8 (solution of 1% in water) ● Water Solubility: g/100 mL Physical Properties ● Physical State: White crystals or powder ● Odor: Odorless ● Taste: Acidic, similar to citric acid Use in Construction

SODIUM CITRATE

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