Potassium benzoate
Chemical compound
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Potassium benzoate, the potassium salt of benzoic acid, is a food preservative that inhibits the growth of mold, yeast and some bacteria. It works best in low-pH products, below 4.5, where it exists as benzoic acid. Wikipedia
Formula: C7H5KO2
Molar mass: 160.21 g/mol
Solubility in other solvents: Soluble in ethanol; Slightly soluble in methanol; Insoluble in ether
Solubility in water: 69.87 g/100 mL (17.5 °C); 73.83 g/100 mL (25 °C); 79 g/100 mL (33.3 °C); 88.33 g/100 mL (50 °C)
Density: 1.5 g/cm3
Melting point: >300 °C (572 °F; 573 K)
NFPA 704 (fire diamond): 2 1 0