2,4,5-Trichlorophenoxyacetic Acid

**Definition:** An herbicide with strong irritant properties. Use of this compound on rice fields, orchards, sugarcane, rangeland, and other noncrop sites was terminated by the EPA in 1985. (From Merck Index, 11th ed)

**Tree numbers:** - D02.241.081.018.386.682.800 - D02.241.511.316.682.800

**Synonyms:** - 2,4,5-T