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Triphenyltin Hydroxide/ Fentin Hydroxide (TPTH)

General Information

• Chemical Class:Organotin Fungicide
• Uses: Non-systemic foliar fungicide applied to pecans, potatoes, and sugarbeats for control of early and late blight on potatoes and Colorado potato beetle; leaf spot on sugar beets; scab, brown leaf spot and other diseases on pecans.
• Beyond Pesticides rating:

Health Effects

• EPA Acute Toxicity Class: I-II (Moderatly to highly toxic)
• Cancer: Probable (15) Known (21)
• Endocrine Disruption: Suspected (43, 8)
• Reproductive Effects: Yes (21)
• Neurotoxicity: Not documented
• Kidney/ Liver Damage:
• 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: Yes (8)
• Toxic to Fish/ Aquatic Organisms: Yes (8)
• Toxic to Bees: Not documented
• Toxic to Mammals: Yes (8)
• Long-Range Transport: Not documented

Additional Information

• Regulatory Information:
  • EPA Reregistration Eligibility Decision Signed 9/1999
• Supporting information:
  • PAN Pesticides Database: Fentin Hydroxide (Pesticide Action Network)