Organic Chemistry- Saponification

Bromination of Saturated and Unsaturated Hydrocarbons

Blue Bottle

Dehydration of Sugar by Sulfuric Acid

Disappearing Coffee Cup

Formation of a Silver Mirror

Models 360

Nylon 6 – 10

Organic Synthesis with Familiar Materials

Oxidation of Primary, Secondary, Tertiary Alcohols

Oxidation of Luminol

Polyurethane Foam

Slime

Underwater Fireworks: Chlorination of Acetylene

Carbide Lamp

Differences in Miscibility of Organic Alcohols With Increasing Chain Length

Combustion of Cellulose Nitrate (Guncotton)

Different Smells of Carvone Isomers

Distinguishing Between HD and LD Polyethylene

Enviro-bond: Cleaning Oil Spills

Esterification Using a Dean-Stark Trap

Ethanol Cannon

Happy/ Sad Balls

IR Demonstration I – Atomic Coupling

IR Demonstration II – Molecular Vibrations

IR Demonstration III – Molecular Vibrations

Making a Rubber Ball from Latex

Plastic Samples

Reaction Intermediates in Organic Chemistry

Reducing Sugars and Fehling’s Solution

Rod Climbing by a Polymer Solution

Rotating Rainbows

Silly Putty

Soap Emulsifies Hydrocarbons

Superabsorbent Polyacrylate Gel

Tubeless Siphon

Alkimers

Aniline Hydrochloride-Formaldehyde Polymer

Phenol-Formaldehyde Polymer

Saponification

Relative Reactivity of Reducing Agents

Electrophilic Aromatic Substitution Reaction/EAS Reaction

Reactivity of Alkanes vs. Aromatic Compounds

Inductive Effect

Optical Activity of Racemic Mixtures With Limonene

Relationship of Absorbed Light to Observed Color

Density and Miscibility of Liquids

Extraction of Copper Ions From Solution With Orform®

Gel Formation with Sodium Alginate and Calcium Chloride

Ozonolysis

Hydrolysis of T-Butyl Chloride: A lecture and Lab Experiment

 

Saponification

Description: Soap is made by the treatment of lard with methanol and water, sodium hydroxide, salt, and heat. The substance is compared to untreated lard in water by shaking in individual Erlenmeyer flasks to detect the formation of suds. Glycerol may also be used as the alcohol.

Source: Maynard, J.H., UW-Madison Dept of Chemistry

Year: 2014  Vol: N/A   Page: N/A

Keywords: Fatty Acids, Base, Soap, Organic Chemistry, Saponification, Salt

Rating:

Hazard: Medium

  • Flammable Liquids
  • Acute toxicity hazard- oral, inhalation, dermal
  • Specific organ toxicity- eyes
  • Corrosive to metals
  • Skin corrosion hazard
  • Acute aquatic toxicity
  • Electric shock hazard
  • Burn hazard

Effectiveness: Average

  • Results observable with guidance
  • Mild effects are seen by audience
  • Contrast of systems behavior is notable
  • Time to results is medium
  • Low failure rate
  • Good connection from demo to course

Difficulty: High

  • Use of toxic substances
  • Some concerted or timed manipulations
  • Procedure with some intermediate steps to results
  • Reactions or demos at  non-standard conditions

Safety Precautions:

  • Eye protection required
  • Thermal gloves recommended
  • Prevent release of reagents to the environment
  • Perform in well-ventilated area
  • Perform on a chemically resistant surface
  • Spill material on hand
  • Use of UL approved three-prong plug and outlet
  • ABC fire extinguisher on hand

Class: Types of Organic Reactions

Division: Organic Chemistry, General Chemistry