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Clopyralid
General Information
- Fact Sheet: clopyralid.pdf
- Product Names:
- Chemical Class: Pyridinecarboxylic acid herbicide
- Uses: Agriculture, Ornamentals/Lawns, Rights of Way, Pasture
- Alternatives: Organic agriculture, Organic lawn care, Ecological weed managment
- Beyond Pesticides rating: Toxic
Health and Environmental Effects
- Cancer: Not documented
- Endocrine Disruption: Not documented
- Reproductive Effects: Yes (1)
- Neurotoxicity: Not documented
- Kidney/Liver Damage: Not documented
- Sensitizer/ Irritant: Yes (1)
- Birth/Developmental: Yes (1)
- Detected in Groundwater: Yes (1)
- Potential Leacher: Yes (1)
- Toxic to Birds: Yes (2)
- Toxic to Fish/Aquatic Organisms: Not documented
- Toxic to Bees: Not documented
Residential Uses as Found in the ManageSafe™ Database
Additional Information
- Supporting information:
- Daily News Blog entries (Beyond Pesticides)
- The Safer Choice (Beyond Pesticides)
- NCAP Clopyralid Factsheet (Northwest Coalition for Alternatives to Pesticides)
- Department of Transportation Clopyralid Factsheet (Washington State)
- PAN Pesticides Database:Clopyralid(Pesticide Action Network)
- Studies [compiled from the Pesticide-Induced Diseases Database]
- Currently used and legacy pesticides in the marine atmosphere from Patagonia to Europe. Debler, F., Gandrass, J., Paul Ramacher, M. O., Koenig, A. M., Zimmermann, S., & Joerss, H. (2025). Currently used and legacy pesticides in the marine atmosphere from Patagonia to Europe. Environmental pollution (Barking, Essex : 1987), 373, 126175. Advance online publication. https://doi.org/10.1016/j.envpol.2025.126175
Gateway Health and Environmental Effects Citations
1. Northwest Coalition for Alternatives to Pesticides (NCAP), Pesticide Factsheets. http://www.pesticide.org/pesticide-factsheets.
2. Beyond Pesticides ChemWatch Factsheets. (Cited under factsheets on Beyond Pesticides Gateway; see top of individual chemical page)