Sodium Benzoate
Sodium benzoate is a sodium salt of benzoic acid, a naturally occurring compound found in some plants. It is a white crystalline powder that is highly soluble in water.
Key Properties:
- Appearance: White crystalline powder
- Chemical formula: C₆H₅COONa
- Molar mass: 144.11 g/mol
- Melting point: 323-325 °C (613-617 °F)
- Density: 1.44 g/cm³
- Solubility: Highly soluble in water
Uses:
- Food preservative: Sodium benzoate is a common food preservative used to prevent the growth of mold, yeast, and bacteria. It is often found in acidic foods like soft drinks, juices, jams, and pickles.
- Pharmaceutical applications: It is used as a preservative in some pharmaceuticals, such as cough syrups and mouthwashes.
- Cosmetic applications: Sodium benzoate can be used as a preservative in cosmetics, such as shampoos and lotions.
- Industrial applications: It has various industrial applications, including in the production of dyes and resins.
