220px-FountainSpringsWintergreen.pngThe Results
Step 1
Methyl salicylate to Salicylic acid

Weight
Volume
Filter Paper
0.229g

Methyl salicylate

1.0ml
3M NaOH

8.0ml
3M HCl

9.0ml
Crude Salicylic acid
1.117g

Recrystallized Salicylicacid
0.952g

Step 2
Salicylic Acid to Acetyl salicylic acid

Weight
Volume
Salicylic Acid
0.952g

Filter paper
0.228g

Acetic anhydride

2.5ml
Acetic acid

2.5ml
Crude acetyl salicylic acid
2.156g

Melting Point Determinations

Measured MP
Reference MP
Methyl salicylate


Salicylic acid
148 C
147 C
148 C
Aspirin
123 C
128 C
133

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