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Dicamba

General Information

• Beyond Pesticides Dicamba ChemWatch Factsheet
• Dicamba product names
• Chemical Class: benzoic acid herbicide
• Uses: agricultural, industrial, and residential settings. Different forms of dicamba (acid
  and salts) have registered uses on rights-of-way areas, asparagus, barley, corn , grasses grown in pasture and rangeland, oats, proso millet, rye, sorghum, soybeans, sugarcane, and wheat, golf courses
  and lawns.
• Alternatives: Agriculture, Lawns
• Beyond Pesticides rating: Toxic

Health Effects

• EPA Acute Toxicity Class: II - IV (moderately toxic to practically non-toxic)
• Cancer: Not documented
• Endocrine Disruption: Not documented
• Reproductive Effects: Yes (6)
• Neurotoxicity: Yes (6)
• Kidney/ Liver Damage: Yes (4)
• Sensitizer/ Irritant: Yes (4)
• Birth/ Developmental Defects: Yes (11)

Environmental Effects

• Detected in Groundwater: Yes (6)
• Detected in Streams: Not documented
• Potential Leacher: Yes (7)
• Toxic to Birds: Yes (20, 40)
• Toxic to Fish/ Aquatic Organisms: Yes (6)
• Toxic to Bees: Not documented
• Toxic to Mammals: Not documented
• Long-Range Transport: Not documented

Additional Information

• Regulatory Information:
  • EPA Reregistration Eligibility Decision (RED) signed (6/2006)
• Supporting information:
  • Daily News Blog entries (Beyond Pesticides)
  • Asthma, Children and Pesticides (Beyond Pesticides)
  • NCAP pesticide Factsheet (Northwest Coalition for Alternatives to Pesticides)
  • Extoxnet Dicamba Factsheet (Extension Toxicology Network)
  • PAN Pesticides Database:Dicamba (Pesticide Action Network)
  • CHEC Dicamba Factsheet (Children's Health Environmental Coalition)
  • NPIC Dicamba Factsheet (National Pesticide Information Center)
• Key Studies:
  • Comparison of pesticide levels in carpet dust and self-reported pest treatment practices in four US sites. Colt, Joanne et. al.2004. Journal of Exposure Analysis and Environmental Epidemiology 14, 74–83.
  • Do Pesticides Affect Learning Behavior? Porter, Warren. 2004. Pesticides and You (Beyond Pesticides).