so'dium bicar'bonate

Chem., Pharm.
a white, crystalline, water-soluble solid, in powder or granules, NaHCO3, usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid. Also called bicarbonate of soda, baking soda, so'dium ac'id car'bonate.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

sodium benzoatesodium bisulfate
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