Sodium benzoate 500g NEW Highly pure FOOD GRADE. Synonyms: Benzoic Acid, sodium salt; Benzoate of soda; Sodium benzoic acid; Antimol CAS No.: 532-32-1 Molecular Weight: 144.10 Chemical Formula: C7H5NaO2 CAUTION! MAY BE HARMFUL IF SWALLOWED OR INHALED. MAY CAUSE IRRITATION TO SKIN, EYES, AND RESPIRATORY TRACT. MAY FORM COMBUSTIBLE DUST CONCENTRATIONS IN AIR. Transport: Not regulated.