Sodium phosphate, dibasic, 99% - is the inorganic compound with the formula Na2HPO4. It is one of several sodium phosphates.
S 4707 (OTTO) Sodium phosphate, dibasic, anhydrous, 99.99% Cas 7558-79-4 - used as a saline laxative to treat constipation. It inhibits the calcium scale formation in water treatment plants.