Organic Chemistry 331 Lab Schedule - Fall 2009

Manual: Organic Chemsitry Laboratory Manual, Second Edition, by Svoronos, Sarlo, and Kulawiec

Publisher: McGraw Hill

Section 1: Tuesday 1:00-4:00
Instructor: Dr. Leonard Herman

Section 2: Thursday 1:00-4:00
Instructor: Dr. Leonard Herman

SCHEDULE OF LABS

Week#DatesTopic
1 September 1 & 3 Chapter 1 and Handout - Lab Safety Check-in
2 September 8 & 10 Experiment 3.1 and 3.2 - Melting Point, Boiling Point and Refractive Index
3 September 15 & 17 Experiment 4.1 and 4.2 - Dtistillation
4 September 22 & 24 Experiment 4.3 - Steam Distillation
5 September 29 & October 1 Experiment 2 and Handout - Molecular Molecules
6 October 6 & 8 Experiment 6.2 and 6.3 - Extraction and Recrystallization
7 October 13 & 15 Experiment 6.5 - Isolation of Caffeine from Tea
8 October 20 & 22 Experiment 8 - Sodium Fusion Test
9 October 27 & 29 Fall Break (no labs)
10 November 2 & 5 Experiment 13 - Synthesis of t-Butyl Chloride
11 November 10 & 12 Experiment 10.1 - Synthesis of Cyclohexene
12 November 17 & 19 Experiment 14.2 and Handout - Chemistry of Alcohols
13 November 26 Thanksgiving Break (no lab)
14 November 24 & December 3 Experiment 11 - Synthesis and Reactions of Acetylene
15 December 1 and 10 Lab Final and Check-out

Chemistry 331 Lab Requirements per Session

**goggles, apron and gloves are required for all experiments involving chemicals and heating**

Week 1 - September 1 & 3 - Lab Safety and Check-In - No lab assistant required

Week 2 - September 8 & 10 - Experiments 3.1 and 3.2 - Physical Properties

Needs:

  1. 0.1g/student of the following (see Rm 309, Dr. Herman's shelf)
    1. Maleic Acid (pure)
    2. Benzamide (pure)
    3. Maleic Acid: Benzamide (75%-25%)
    4. Maleic Acid: Benzamide (50%-50%)
    5. Maleic Acid: Benzamide (25%-75%)
  2. Small vials placed by melting point apparatus
  3. Waste Containers
  4. 5 mL of the following unknowns. They should be in a corked test tube and must be coded. Please have enough for one unknown for each student.
    • Cyclopentane (49 degrees Celsius) (Bp in parentheses)
    • Acetone (56 degrees Celsius)
    • Methanol (65 degrees Celsius)
    • Hexane (69 degrees Celsius)
    • Ethyl Acetate (77 degrees Celsius)
    • 2-Butanone (80 degrees Celsius)
    • Cyclohexane (81 degrees Celsius)
    • 2-Propanol (Isopropanol) (82 degrees Celsius)
    • 1-Propanol (97 degrees Celsius)
    • 1-Butanol (n-butyl alcohol) (117 degrees Celsius)

Additional Standard Operating Procedures: none

Wastes:

  1. Melting Point Discs are collected and added to solid organic wastes in Room 304 fume hood. It will be disposed of as a hazardous waste.
  2. 5 mL organic liquid unknowns are collected and may be mixed with other low molecular weight organics. It will be stored and disposed of as hazardous waste.

 

Week 3 - September 15 & 17 - Experiment 4.1 and 4.2 - Distillation

Needs: (per student)

  1. 30 mL 1% methylene blue in 2-propanol (Bp 82 degrees Celsius)
  2. Put out two bottles of Acetone for the students to make a solution of 30 mL Acetone: water (1:1 mixture)
  3. Waste containers

Additional Standard Operating Procedures: none

Waste:

  1. 30 mL/student propanol dye solution is collected and recycled for future use.
  2. 60 mL of 50% water/acetone solution is collected and recycled for future use. It may be used for cleaning glassware and they may be disposed of in the drain.