LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Sodium benzoate. Molecular model of sodium benzoate (C7.H5.Na.O2), the sodium salt of benzoic acid. This chemical is widely used as a food preservative (E211). Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), oxygen (red) and sodium (violet). Illustration.
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