|Jmol-3D images||Image 1
|Appearance||White crystalline solid|
|Melting point||116 °C (241 °F; 389 K)|
|Solubility in water||Soluble|
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)|
|(what is: / ?)|
Hexazinone is an organic compound that is used as a broad spectrum herbicide. It is a colorless solid. It exhibits some solubility in water but is highly soluble in most organic solvents except alkanes. A member of the triazine class herbicides, it is manufactured by DuPont and sold under the trade name Velpar.
It functions by inhibiting photosynthesis and thus is a nonselective herbicide. It is used to control grasses and broadleaf and woody plants. Approximately 33% is used on alfalfa, 31% in forestry, 29% in industrial areas, 4% on rangeland and pastures, and < 2% on sugarcane.
In 1989, hexazinone was deliberately used in an act of vandalism to poison the Treaty Oak in Austin, Texas.
Hexazinone is a pervasive groundwater contaminant, due to its high water solubility.
- Arnold P. Appleby, Franz Müller, Serge Carpy “Weed Control“ in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim. doi:10.1002/14356007.a28_165
- Hexazinone, Herbicide Profile, Pesticide Management Education Program, Cornell University
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