Acetic anhydride

determination of IPM and DZM drug combination by RP-HPLC method using ultraviolet (UV) detection. The chemicals methanol and water (pH between 5 and 8) were HPLC grade and were purchased from Merck chemicals private limited, Mumbai. Sodium acetate and acetic acid used in this work were analytical grade purchased from Merck chemicals,

Maci Mullins CHEM2130-001 10/9/2017 Stereochemistry of Bromine Addition to trans-Cinnamic Acid Statement of Problem: What is the stereochemistry for the bromination of trans-cinnamic acid, and how is it formed? Hypothesis: Two forms of stereochemistry can form product for the bromination of trans-cinnamic acid. Cis addition, also known as syn addition, is one way of forming product. This form of stereochemistry allows for the components of the reagent to add to the same side of the double bond

rather than in an open beaker would preserve more of the gaseous product. The law of conservation of mass states that mass can neither be created nor destroyed. The reaction between the baking soda, the sodium bicarbonate, and the vinegar, the dilute acetic acid, yields carbon dioxide gas, water, and sodium acetate. When the mixture is created in a beaker the carbon dioxide gas that is produced escapes through the large opening. In the plastic bag, however, the carbon dioxide gas should not escape if

The purpose of this experiment is to prepare a Grignard reagent by reacting with alkyl or aryl halide and to ultimately react the Grignard reagent with carbon dioxide in order to produce carboxylate. The formed carboxylate is then protonated with an acid to produce carboxylic acid that could be used with liquid-liquid extraction to isolate the unknown acid from the other products from side reactions. The final unknown product is identified by measuring the melting point and calculating the molecular

COMPARATIVE STUDY OF THE PROPERTIES OF ORGANIC COMPOUNDS THROUGH VARIOUS TESTS Johanna Lynne La Rosa, Denise Gianelli Lopez, Anna Reyzell Lundang, Marlon Mallillin III and Jacinto Mari Manual Group 5 2E Pharmacy Organic Chemistry Laboratory ABSTRACT Organic compounds have been subjected to comparative investigation to differentiate the behaviour of one from the other. The physical state at room temperature, odor and color of the samples were noted by simple observation. The samples are classified

| - acetic acid | 3.745 | 0.45% | - isopentyl alcohol | 3.858 | 14.62% | - isopentyl acetate | 4.019 | 84.92% | Discussion The experiment began by mixing the initial 1.775g isopentyl alcohol with 2.3 mL acetic acid and about 5 drops sulfuric acid. This reaction mixture was then heated under reflux for an hour after boiling of the reaction mixture

Zhenshu Wang (Stan) TA: Aaron League September 23, 2012 Purpose: The purpose of the experiment was to perform the acid-catalyzed Fischer Esterification of acetic acid and isopentyl alcohol to form isopentyl acetate, or banana oil, which is used in flavor industries. The equilibrium of the reaction was changed by adding an excess amount of acetic acid. The reaction was refluxed and product was purified by extraction and distillation. Isopentyl acetate was analyzed by infrared spectroscopy and 1H NMR

8-O-acetylshanzhiside methylester) and 3 phenylethanoid glycosides (acteoside, alyssonoside, and isoacteoside) in the four samples from different places were analyzed by HPLC. The acetic acid-induced writhing test, the hot plate test, the carrageenan-induced paw edema test, the xylene-induced ear swelling test, and the acetic acid-induced Evans blue leakage

The Oxidation of Ethanol Ethanol is a primary alcohol and can be oxidized to either an alderhyde or a carboxylic acid. [IMAGE]CH3CH2OH + [O] CH3CHO + H2O [IMAGE]CH3CH2OH + 2[O] CH3COOH + H2O The purpose of this experiment is to oxidize ethanol and then to test the product to determine whether it has been oxidised to ethanal or oxidised to ethanoic acid. Method We added 6cm³ of water to a pear-shaped flask, then added 2cm³ of concentrated sulphuric

CH3COONa(aq) + H2O(l) (Reaction between sodium hydroxide and solution of vinegar, which produces an aqueous solution of sodium acetate and water) Hypothesis: Approximately 8.8ml of sodium hydroxide will be required to neutralize 100ml of acetic acid. (http://schoolworkhelper.net/titration-of-vinegar-lab-answers/) ------------------------------------------------------------------------------------------------------- Apparatus: 1. Burette 2. Funnel 3. Pipette 4. Phenolphthalein