Its molecular formula is C₇H₅NaO₂ and is also known as the sodium salt of benzoic acid.The properties of sodium benzoate preservatives are as follows: Properties of Sodium Benzoate ( C₇H₅NaO ₂ ) The reaction of toluene and chlorine forms Benzotrichloride. Then, benzoic acid is converted into its sodium salt, i.e., sodium benzoate. Benzotrichloride is hydrolyzed and then treated with a mineral acid to give benzoic acid.Toluene is mixed with nitric acid and oxidized to produce benzoic acid.After that, it is decarboxylated, i.e., carbon dioxide is removed, to yield benzoic acid. Naphthalene is oxidized with vanadium pentoxide (V₂O₅) to give phthalic anhydride.Preparation of Sodium Benzoate ( C₇H₅NaO ₂ )Ĭommercially, there are three ways to manufacture sodium benzoate. The structure of sodium benzoate preservative is given below: It is an aromatic chemical compound with the chemical formula C₇H₅NaO₂. Structure of Sodium Benzoate ( C₇H₅NaO ₂ ) Although the compound is not found naturally, it is found naturally in various plants and animals. It also helps to prevent fatty food items from becoming rancid. Sodium benzoate food preservative is used to control the growth of bacteria and moulds. It is a sodium salt of benzoic acid produced by the neutralisation reaction of benzoic acid and sodium hydroxide.
It is the most commonly used food preservative. What Is the Meaning of Sodium Benzoate ( C₇H₅NaO ₂ ) Food Preservative? Class II: Some common food preservatives of this class are sodium benzoate, sodium metabisulphite, sorbic acid and its salt, epoxides, and p-Hydroxybenzoate esters.Class I: Some common preservatives like table salt, sugar, and vegetable oil are considered in this class of food preservatives.Preservatives are generally divided into two classes: They prevent the spoilage of food due to microbial growth. But have you ever wondered what is added to these foods that make them last longer? What are Food Preservatives?Ĭhemical substances used to preserve or protect food against bacteria, moulds, and yeasts are called preservatives. and are quite aware of the term food preservatives. You must have tasted packed food items like pickles, ketchup, etc. It is not limited to food, drugs, or explosives either. Everything is about chemistry, whether you talk about cleanliness or clothes, from toothpaste to synthetic fibre. You are aware that chemistry is all around you. What aids the breaking of microbial growth in these items? This article will let you know about sodium benzoate food preservative chemicals and whether it is safe to add them to food or not.
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