Results: Melting Point: Compound | Experimental (°C) | Lit value (°C) | Ice-water | 2°C | 0°C | Naphthalene | 81-83°C | 80-82°C | Acetanilide | 113-116°C | 113-115°C‚ 128-129°C | Acetylsalicylic acid | 136-140°C | 135-140°C | Salicylic acid | 159-162°C | 158-160°C | Succinic acid | 186-188°C | 185-189°C | Compound Structure: Naphthalene | Acetanilide | Acetylsalicylic Acid | Salicylic acid | Succinic acid | Water | Eutectic Point Determination: Melting Point Compound | Experimental
Premium Salicylic acid Temperature Chemical compound
tribromide and use ethanol to rinse sides. Heat for five more minutes; cool down to room temperature‚ then ice bath. Collect product by vacuum filtration. Weight dry product and take melting point. Synthesis of Bromoactanile: add correct amounts of acetanilide‚ sodium bromide‚ ethanol and acetic acid in an Erlenmeyer. Add a stir bar and plug the top with cotton. Place the flask in ice bath to cool. Add 7ml bleach and continue to stir for a while. Remove flask from ice bath and warm to room temperature
Premium Carbon Oxygen Chemical reaction
CHEM 2123 and 2125 – Organic Chemistry Lab I and II GUIDELINES FOR WRITING LAB REPORTS INTRODUCTION Writing reports in organic chemistry lab may differ from the way it’s done in general chemistry. One goal of this course is to introduce you to the record keeping methods used in research labs. Such methods are designed to organize experimental data in a format similar to that required for publication in major scientific journals. Here are some important considerations that apply in research settings
Premium Chemistry
the nitrogen atom. The nitronium ion‚ acting as the electrophile in the nitration reaction‚ will attack the benzene ring and produces the nitrobenzene ring. Resonance-stabilized arenium ion is created when the nucleophilic carbon pi bond on the acetanilide reacts with the nitronium ion. The aromaticity of the compound is lost in this important step. Water‚ acting as the Lewis base‚ removes a proton from the carbon bonded to the nitro group‚ an aromatic benzyl structure is created again: nitroacetanilide;
Premium Sulfuric acid
their possible result. Analyze and state the observation based on the result of experiment. Methodology Materials and Apparatus The chemicals used in the experiment are as follows: benzoic acid‚ sugar‚ denatured alcohol‚ chloroform‚ acetanilide‚ copper sulfate‚ activated charcoal‚ distilled water‚ acetone‚ toluene‚ glutamic acid and glycine. The apparatus used include funnel‚ Erlenmeyer flask‚ separatory funnel‚ beakers‚ evaporating dish‚ water bath‚ graduated cylinder‚ stirring rod‚ watch
Premium Distillation Solvent Water
asses the pharmaceutical preparation of Panacetin‚ by using it ’s solubility along with other organic molecules. We know that Panacetin is made up of sucrose‚ aspirin and some other unknown substance. We know the substance has to be Phenacetin or Acetanilide. To help solidify our reasoning‚ we need a % recovery of 8-12% sucrose‚ 35-45% aspirin and 45-55% unknown. Sucrose for example is insoluble in dichloromethane‚ while aspirin is soluble in CH2Cl2‚ but not in H2O. The organic compound sodium hydroxide
Premium Chemistry Solubility Sodium hydroxide
Thin Layer Chromatography Submitted in partial fulfillment of the requirements for: CHE 324 Organic Chemistry Laboratory Dr. Robert Duncan Fall Semester 2012 Caitlin Inman‚ Team Leader October 9‚ 2012 Tyler Byrd‚ Data Collection Shared Role‚ Technique Expert Introduction: “Chromatography is used to separate components of a mixture. For example‚ imagine a mixture of wood pieces‚ pebbles‚ and large rocks to be separated and the chromatography setup as a stream. Flowing water
Premium Thin layer chromatography Chromatography
Rgt/Pdt | Structure | Physical Properties | Hazards | acetone | | Physical State: LiquidAppearance: colorlessBoiling Point: 56.20CMelting Point: -95.30CDensity: 0.79 g/cm3 | Causes eye and skin irritation. May cause central nervous system depression. May cause liver and kidney damage. Causes respiratory tract irritation. Extremely flammable. | aniline | | Physical State: LiquidAppearance: oily - colorlessBoiling Point: 1840CMelting Point: -60CDensity: 1.0216 g/cm3 | Combustible. Hazardous in
Premium Respiratory system Inflammation Acetic acid
Paracetamol - a curriculum resource Frank Ellis RSeC ROYAL SOCIETY OF CHEMISTRY Paracetamol - a curriculum resource Compiled by Frank E llis Edited by Colin Osborne and Maria Pack Designed by lmogen Bertin Published by the Royal Society of Chemistry Printed by the Royal Society of Chemistry Copyright 0 Royal Society of Chemistry 2002 Registered charity No. 207890 Apart from any fair dealing for the purposes of research or private study‚ or criticism or review‚ as permitted under
Premium Sodium hydroxide Sulfuric acid Hydrochloric acid
Panacetin‚ a type of pain-killer. Panacetin is typically made up of sucrose‚ aspirin‚ and acetaminophen‚ but the third component in this experiment is unknown. The unknown component is suspected to be a chemical relative of acetaminophen‚ either acetanilide or phenacetin. Using techniques such as extraction‚ evaporation‚ and filtration‚ the three components will be isolated based on their solubilities and acid-base properties. Then‚ the percent composition of Panacetin can be deduced based on the masses
Premium Solvent Water Chemistry