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Thiophanate-methyl

General Information

• Chemical Class: Thiophanate systemic fungicide
• Uses: Tree, vine, and root crops, wheat, and canola; residential lawns and ornamentals
• Alternatives: Organic Agriculture
• Beyond Pesticides rating: Toxic

Health Effects

• EPA Acute Toxicity Class: III (slightly toxic)
• Cancer: Yes (8)
• Endocrine Disruption: Yes (8)
• Reproductive Effects: Yes (8)
• Neurotoxicity: Not documented
• Kidney/ Liver Damage: Yes (8)
• Sensitizer/ Irritant: Yes (8)
• Birth/ Developmental Defects: Yes (8)

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: Yes (8)
• 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 10/2005
• Supporting Information:
  • PAN Pesticides Database: Thiophanate-methyl (Pesticide Action Network)