Name:
CHML212
Exp. 22 Solventless Aldol Condensation
Tech
Pre
In
Post
Max
10
20
20
50
Score
Total Grade
PRE-LAB ASSIGNMENT: (EACH STUDENT will complete, print, and submit a copy at the beginning of the lab period.
Without a complete pre-lab assignment, you will not be allowed to perform the experiment, and will receive a zero
for the lab.) …..max score = 20 pts.
1.
Objective




(In the provided space, write a brief purpose of the experiment, addressing all of the following points: )
Name the class of reactants combined during the synthesis and the class of product formed.
What is the purification technique used in this experiment?
What analytical technique will be used during the experiment?
What type of spectral analysis will be used to characterize the reactant and products?
2. Chemical Equation (In the provided space, draw the chemical equation for the synthesis of the Aldol product using actual chemical structures.)
3. Physical Data (Complete the following table using MSDS sheets from the following link:
http://www.sigmaaldrich.com/united-states.html. Copy all
of the OSHA hazards using the hazard codes provided.)
Compound
3,4-dimethoxybenzaldehyde
MW
(g/mol)
mp
(oC)
1-indanone
Sodium hydroxide
X
1-propanol
X
X
Diethyl ether
X
X
hexane
X
X
278.4
180-181
Aldol Product
bp
(oC)
X
d
(g/mL)
X
X
X
X
X
X
X
OSHA HAZARDS
irritant
4. Experimental Outline (In the space provided, give a brief description of the procedure that will be followed in this experiment in 10 lines or less.)
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10
5. Pre-Lab Question (Answer the following question prior to lab.)
The solvent used in today’s synthesis is:
a. An aldehyde
b. A ketone
c. An aqueous base
d. No solvent used