Gateway on Pesticide Hazards and Safe Pest Management

Fluroxypyr

General Information

• Product Names:
  Weld (Winfield) formulated with MCPA, and Clopyralid
  Starane (Dow) formulated with Bromoxynil

• Chemical Class: Pyridinoxy acid herbicide
• Uses: Wheat, barley, oats, fallow croplands, and on-farm non-cropland
• Alternatives: Organic agriculture
• Beyond Pesticides rating: Toxic

Health and Environmental Effects

• Cancer: Not documented
• Endocrine Disruption: Not documented
• Reproductive Effects: Not documented
• Neurotoxicity: Not documented
• Kidney/Liver Damage: Yes (39)
• Sensitizer/ Irritant: Yes (39)
• Birth/Developmental Not documented
• Detected in Groundwater: Not documented
• Potential Leacher: Not documented
• Toxic to Birds: Not documented
• Toxic to Fish/Aquatic Organisms: Yes (39)
• Toxic to Bees: Not documented

Additional Information

• Regulatory Status:
  • Regulatory Status: Conditional Registration Issued 9/1998
  • EPA Factsheet
• Supporting information:
  • PAN Pesticides Database: (Pesticide Action Network)