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Imazethapyr

General Information

• Chemical Class: Imidazole compound
• Uses: Controls grasses and broadleaved weeds including barnyardgrass, crabgrass, cocklebur, panicums, pigweeds, nightshade, mustard, smartweed, velvetleaf, jimsonweed, foxtails, seedling johnsongrass, lambsquarters, morningglory and others.
• Alternatives: Organic Agriculture
• Beyond Pesticides rating:

Health Effects

• EPA Acute Toxicity Class: III (slightly toxic)
• Cancer: Not documented
• Endocrine Disruption: Not documented
• Reproductive Effects: Not documented
• Neurotoxicity: Not documented
• Kidney/ Liver Damage: Not documented
• Sensitizer/ Irritant: Yes (4)
• Birth/ Developmental Defects: Not documented

Environmental Effects

• Detected in Groundwater: Not documented
• Detected in Streams: Not documented
• Potential Leacher: Not documented
• Toxic to Birds: Not documented
• Toxic to Fish/ Aquatic Organisms: Not documented
• Toxic to Bees: Not documented
• Toxic to Mammals: Not documented
• Long-Range Transport: Not documented

Additional Information

• Regulatory Information:
• Supporting information:
  • Extoxnet Imezthapyr Factsheet (Extension Toxicology Network)
  • PAN Pesticides Database: Imezthapyr (Pesticide Action Network)