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Gateway on Pesticide Hazards and Safe Pest Management

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Disodium Methanearsonate (DSMA)

General Information

  • Product Names:
  • Chemical Class: Arsenical herbicide
  • Uses: Weed control on cotton, for turf grass and lawns, and under trees, vines, and shrubs. CAMA is an herbicide registered for post-emergent weed control on lawns. Cacodylic acid is a defoliant and herbicide registered for weed control under non-bearing citrus trees, around buildings and sidewalks, and for lawn renovation.
  • Alternatives: Organic agriculture, Organic lawn care
  • Beyond Pesticides rating: Toxic

Health and Environmental Effects

  • Cancer: Not documented
  • Endocrine Disruption: Not documented
  • Reproductive Effects: Yes (23)
  • Neurotoxicity: Not documented
  • Kidney/Liver Damage: Yes (23)
  • Sensitizer/ Irritant: Yes (23)
  • Birth/Developmental Not documented
  • Detected in Groundwater: Not documented
  • Potential Leacher: Not documented
  • Toxic to Birds: Yes (23)
  • Toxic to Fish/Aquatic Organisms: Yes (23)
  • Toxic to Bees: Yes (23)

Additional Information