2,4,5-trichlorophenoxyacetic acid


2,4,5-trichlorophenoxyacetic acid

[¦tü ¦fȯr ¦fīv trī¦klȯr·ō·fə¦näk·sē·ə¦sēd·ik ′as·əd] (organic chemistry) C6H2Cl3OCH2CO2H A toxic, light-tan solid; soluble in alcohol, insoluble in water; melts at 152°C; used as a defoliant, plant hormone, and herbicide. Also known as 2,4,5-T.