... together, also an anti-coagulant, a sequestering agent( sodium citrate attaches to calcium ions in water, keeping them ... interfering with detergents and soaps).Sodium citrate, dihydrate Synonym: 2-Hydroxy-1, 2, 3-Propanetricarboxylic Acid Trisodium Salt CAS Number: 6132-04-3 ... preservative in syrup manufactured goods, buffer acidity acid in cold drink, prevent acid in dairy products, used as binder in ...