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Thiram

General Information

• Beyond Pesticides Thiram ChemWatch Factsheet
• Thiram product names
• Chemical Class: Dimethyl dithiocarbamate fungicide, animal repellant
• Uses: fungicide used to prevent crop damage in the field and to protect harvested crops (apples, peaches, and strawberries) from deterioration in storage or transport, seed protectant (e.g. small seeded vegetables, large seeded vegetables, cereal grains and other seeds, coniferous seeds, cotton seed, ornamental seeds, and soybeans), protects turf from fungal diseases; also an animal (rabbit, rodent, and deer) repellent
• Alternatives: Agriculture, Golf courses
• Beyond Pesticides rating: Toxic

Health Effects

• EPA Acute Toxicity Class: III (slightly toxic)
• Cancer: Not yet evaluated, equivocal data (34)
• Endocrine Disruption: Yes (30)
• Reproductive Effects: Yes (11)
• Neurotoxicity: Yes (11)
• Kidney/ Liver Damage:Yes (20)
• Sensitizer/ Irritant: Yes (4)
• Birth/ Developmental Defects: Yes (11)

Environmental Effects

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

Additional Information

• Regulatory Information:
  • EPA Reregistration Eligibility Decision (RED) signed (9/2004)
• Supporting information:
  • Extoxnet Thiram Factsheet (Extension Toxicology Network)
  • PAN Pesticides Database:Thiram (Pesticide Action Network)
  • Scorecard Thiram Factsheet (The Pollution Information Site)
• Key Studies: