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Diphenylamine (DPA)

General Information

• Chemical Class: Amine fungicide
• Uses: control of storage scald on apples
• Beyond Pesticides rating:

Health Effects

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

* An impurity of DPA, diphenylnitrosamine, is classified as a “probable human carcinogen” (8)

Environmental Effects

• Detected in Groundwater: Not documented
• Detected in Streams: Not documented
• Potential Leacher: Yes (8)
• 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 Signed 9/1997
• Supporting information:
  • PAN Pesticides Database: DPA (Pesticide Action Network)