ammonium 2,4-dichlorophenoxyacetate

The commercial production of 2,4-D-ammonium begins with purified 2,4-D acid, obtained via the standard phenoxyacetic acid route. The free acid is dissolved in water and then neutralised with ammonia, typically as aqueous ammonium hydroxide, in controlled reactors to form the ammonium salt.

Selective, systemic, absorbed through roots and increases biosynthesis and production of ethylene causing uncontrolled cell division and so damages vascular tissue. Synthetic auxin.

Herbicide