Sodium benzoate has the chemical formula NaC 7 H 5 O 2; it is a widely used food preservative, with an E number of E211.It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.s a food additive, sodium benzoate has the E number E211. It is bacteriostatic and fungistatic under acidic conditions.
LOOK: Rory McIlroy has a new house on this crazy palm tree island. LOOK: Rory McIlroy has a new house on this crazy palm tree island. Rory McIlroy has taken up residence in Dubai for tax purposes. Repeat after me. It's good to be Rory McIlroy.
But star golfer Rory McIlroy doesn't look too upset as he stepped out for date night with new girlfriend Erica Stoll on Thursday evening in central London. The world's top golfer grinned widely as he was pictured following his beaming girlfriend out of trendy Roka restaurant. Scroll down for video.