Grain alcohol (7)
I believe the answer is:
ethanol
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grain alcohol</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ethanol that I've seen before include "Ethyl alcohol" , "spirit" , "Kind of alcohol - not hale (anag)" , "Intoxicant in wine, spirits, etc" , "Kind of alcohol found in Athlone" .)