[¦thrē ‚klȯr·ō ¦wən ¦tü ¦prō‚pān′dī‚ȯl] (organic chemistry) ClCH2CH(OH)CH2OH A sweetish-tasting liquid that has a tendency to turn a straw color; soluble in ether, alcohol, and water; used to manufacture dye intermediates and to lower the freezing point of dynamite.