Synthesis of Butyl Benzoate Using Phase Transfer Catalysis The objective of the experiment is to synthesize the butly benzoate by nucleophilic substitution and characterize it by IR spectroscopy. The percent yield of the final product is determined after the synthesis. Procedures: 2.0 mL of 1-bromobutane‚ 3.0 g of sodium benzoate‚ 5.0 mL of water‚ 4 drops of Aliquat 336‚ and a boiling stone were placed in a 50mL round-bottomed flask. The reaction mixture was refluxed for 1 hour and the flask
Premium Sodium Chemistry Chemical reaction
Lab 1: Effect of pH on sodium benzoate‚ a food preservative Sheikh M Zakaria Person no. 36295651 TA: Synthia Gratia Date of Submission: 05/29/13 Abstract Sodium Benzoate is a common food preservative used in food products such as jams and jellies‚ soft drinks‚ pickles‚ condiments etc and in tinned products in the market. This experiment aimed to determine whether benzoic acid is formed from it’s superior soluble form sodium benzoate in stomach acid‚ which is simulated by HCl (pH=2). It has
Premium Hydrochloric acid Acid Stoichiometry
properties of the antimicrobial agent sodium benzoate. Theory Sodium has mainly been used in food processing to avoid growth of bacteria and harmful microorganisms. It is commonly used to preserve foods and beverages that have an acidic pH. Rather than benzoic acid‚ sodium benzoate is used because it is generally soluble in most aqueous solutions but benzoic acid is not. Reaction Sodium benzoate mixed with water‚ dissociates into benzoate and sodium ions. Hydrogen chloride‚ which
Premium PH Acid
if a new substance forms when sodium benzoate is placed in a simulated stomach acid. Theory Benzoic acid can be found in a wide variety of plants. It is used as a natural preservative in many foods. Sodium benzoate‚ the salt of benzoic acid‚ has become a more popular choice as a food preservative because it is more soluble in water than benzoic acid. Many food items found today are preserved with sodium benzoate. Reaction Reaction: sodium benzoate + hydrochloric acid benzoic acid +
Premium Food preservation Chemistry Food
by : Directorate of Education‚ Delhi SOME IMPORTANT REASONING BASED QUESTIONS OF ORGANIC CHEMISTRY 1. Chlorobenzene is less reactive than chloromethane. Ans. In chlorobenzene‚ each carbon atom of benzenering is sp2 hyridised and is electron withdrawing. Chlorine atom donates a lone pair of electron and acquire positive charge. The negative charge is delocalised on ortho and para position by resonance. C-Cl bond acquires partial double bond character and is 169 pm as compared to 17.0 pm in chloromethane
Premium Alcohol Carboxylic acid Oxygen
Alternative Methods of Producing Iodized Salt | AbstractDue to the high incidence of iodine deficiency diseases (IDD) in the Philippines‚ iodized salt has become quite popular on the market. The aim of this research project is to discover different methods of making cheap and accessible iodized salt. Different gadgets were designed to mix the salt and potassium iodate (KIO3) adequately. The iodometric titration method was used to test for the iodine content of the manufactured salt. To prove
Premium Iodine
obtained in paste tank is fed to esterification reactor by screw pump. The esterification reaction is carried out under pressure and at high temperature of 265 deg C . Mole ratio of 1:1.19 is maintain in the reactor. Theoretical mole ratio requirement is 1: 1.01 Monomer is the product of esterification reaction. Water is evolved in the esterification process as byproduct The water is distilled off by distillation column and send to ETP for further treatment Esterification reaction dose not required
Premium
22.12.2009 EN Official Journal of the European Union L 342/59 REGULATION (EC) No 1223/2009 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 30 November 2009 on cosmetic products (recast) (Text with EEA relevance) THE EUROPEAN PARLIAMENT AND THE COUNCIL OF THE EURO PEAN UNION‚ (5) Having regard to the Treaty establishing the European Commu nity‚ and in particular Article 95 thereof‚ Having regard to the proposal from the Commission‚ Having regard to the opinion of the European Economic
Premium European Union European Union law
wintergreen (with its chemical name as methyl salicylate) both occur by addition of an ester to the molecules. Both syntheses have salicylic acid on the reactants side‚ however differ in the second reactant that ‘esterifies’ the salicylic acid. This is a vital process in the
Premium Aspirin Salicylic acid Acetic acid
Preparing Isopentyl Acetate by the Fischer Esterification Preparing Isopentyl Acetate by the Fischer Esterification Leah Monroe May 8‚ 2003 Organic Chemistry Lab II Experiment performed on April 29 and May 1‚ 2003 Abstract: The purpose of this experiment was to synthesize isopentyl acetate via an esterification reaction between acetic acid and isopentyl alcohol‚ using concentrated sulfuric acid as a catalyst. The product was washed with sodium hydrogen carbonate‚ as well as with water
Premium Acetic acid Sulfuric acid Ester