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View/Open - Illinois Institute of Technology

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INTRODUCTION -<br />

The name SALOL is <strong>of</strong>ten used to mean the<br />

compounds formed by the condensation <strong>of</strong> a substi-<br />

tuted phenol with a substituted hydroxy-acid*<br />

Commercially* however* the name SALOL is applied<br />

to the phenyl ester <strong>of</strong> salicycio acid* The empirical<br />

formula <strong>of</strong> this compound is C13H10O3' and its<br />

structural formula u, 0ax).<br />

Salol is a white* colorless* almost tasteless<br />

body orystallizing in rhombic plates* It melts at<br />

42*5°C« It is very soluble in hot alcohol* insoluble<br />

in water* and soluble in most <strong>of</strong> the organic solv-<br />

ents* (See Appendix)* An alcoholic solution <strong>of</strong><br />

salol is colored violet by the addition <strong>of</strong> neutral<br />

ferric chloride solution* This test is also<br />

characteristic <strong>of</strong> phenol and salicylic acid; salol<br />

may be separated from these by extraction with hot<br />

and cold water and sodium bicarbonate solution*<br />

Salol is used extensively in pharmaceutical<br />

preparations as antirheumatic and antipyretic*

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