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Common Name: Imazethapyr
Chemical Name: (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl] -5-ethyl-3-pyridinecarboxylic acid (CAS); (RS)-5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid (IUPAC)
CAS No.: CAS 81335-77-5 (ammonium salt); CAS 101917-66-2 (acid)
Formulation: Aqueous concentrate.
PROPERTIES: Colorless crystals. Melting point 169°-173°C. Soluble in organic solvents at 25°C; acetone 48.2 g/l; methanol 105 g/l; toluene 5 g/l; dichloromethane 185 g/l. Pursuit*: Clear dark brown or green liquid; musty odor.
Toxicity: Rat): Oral LD50 >5000 mg/kg. (Rabbit): Dermal >2000 mg/kg. Mild skin and reversible eye irritant
Uses: Preemergence, preplant incorporated, and postemergence herbicide for control of annual grass and broadleaf weeds in alfalfa, dry and edible beans, peanuts, peas, soybeans, and imidazolinone resistant/tolerant corn (IMI-Corn). Contour* and Resolve* for use only on IMI-Corn
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