Materials
- 3.0 g salicylic acid
- 6 mL acetic anhydride*
- 5-8 drops of 85% phosphoric acid or concentrated sulfuric acid*
- distilled water (about 50 mL)
- 10 mL ethanol
- 1% iron III chloride (optional, to test purity)
Equipment
- filter paper (12.5 cm)
- ring stand with funnel
- two 400 mL beakers
- 125 mL Erlenmeyer flask
- 50 mL buret or measuring pipet
- 10 mL and 50 mL graduated cylinder
- fume hood, hot plate, balance
- dropper
- stirring rod
- ice bath
- wash bottle
Let's synthesize aspirin...
