Sodium Benzoate
Sodium benzoate also known as benzoate of soda is the sodium salt of benzoic acid, widely used as a food preservative (with an E number of E211) and a pickling agent. It appears as a white crystalline chemical with the formula C6H5COONa.
Application
Benzoate preservatives applications in foods, drugs and personal products are well established. It is also widely as an intermediate for chemicals, alkyd resins, polyesters, plasticizers, dyestuffs, preservatives, and rubber activators and retardants. Benzoic Acid is a diverting agent in crude oil recovery applications.
| Chemical formula | C7H5NaO2 |
|---|---|
| Molar mass | 144.105 g·mol−1 |
| Appearance | white or colourless crystalline powder |
| Odor | odorless |
| Density | 1.497 g/cm3 |
| Melting Point | 410 °C (770 °F; 683 K) |
| Soluibility in water | 62.65 g/100 mL (0 °C) |
| Solubility | soluble in liquid ammonia, pyridine |
| Solubility in methanol | 8.22 g/100 g (15 °C) |
| Solubility in ethanol | 2.3 g/100 g (25 °C) |
| Solubility in 1,4-Dioxane | 0.818 mg/kg (25 °C) |
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