Fundamental Organic Chemistry
Fundamental Organic Chemistry
Fundamental Organic Chemistry
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2-Salicylic acid C 6 H 5 (OH)COOH<br />
Salicylic acid is a white crystalline solid undergo sublimation by heating, partially<br />
soluble in cold water, freely soluble in hot water and ethanol m.p. is 159 °C .<br />
Test Observation Result<br />
1-Acidty test :<br />
0.25gm of acid +1ml of conc.<br />
NaHCO 3 solution.<br />
CO 2 evolves with<br />
effervescence<br />
The compound from<br />
carboxylic acid<br />
2-Ferric chloride test :<br />
1ml of N.S. + drops of FeCl 3 . Violet color<br />
Specific test of<br />
salicylic acid<br />
3-Estrification test :<br />
0.25gm of acid +1ml of methanol<br />
+1ml of conc. H 2 SO 4 & heat in<br />
water bath 3 min. then pour into<br />
beaker contain Na 2 CO 3 solution<br />
Vix odor The odor due to Methyl<br />
salicylate ester (35) .<br />
COOH<br />
OH<br />
+<br />
H 2 SO 4<br />
conc<br />
COOCH 3<br />
OH<br />
+<br />
H 2 O<br />
Methyl salicylat<br />
…(35)<br />
65
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