sodium benzoate or benzoate of soda, chemical compound, C6H5CO2Na, colorless or white crystalline, aromatic compound; the sodium salt of benzoic acid. It is soluble in water and is used as a preservative in foods and beverages; because it is poisonous, the concentration is limited by law to 0.1%.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on sodium benzoate from Fact Monster:
See more Encyclopedia articles on: Organic Chemistry