Homonym: C7H5NaO2 (Preservative)
C7H5NaO2 is the chemical formula for sodium benzoate, a sodium salt of benzoic acid. It appears as a white, crystalline powder and is commonly used as a food preservative due to its ability to inhibit the growth of mold, yeast, and some bacteria. Sodium benzoate is often found in acidic foods and beverages, such as soft drinks and pickles.
In addition to its use in food preservation, sodium benzoate has applications in the pharmaceutical and cosmetic industries. It can act as a pH adjuster and is also used in some personal care products to enhance stability and shelf life.