<unk>  is the<unk>  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.
Sodium benzoate
Sodium fluoride
Potassium iodide
Potassium fluoride
Dimethyl methylphosphonate
Amylmetacresol
Amine fluoride
Sodium thiosulfate 