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Gateway test
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 (1)
- Neurotoxicity: Not documented
- Kidney/Liver Damage: Yes (1)
- Sensitizer/ Irritant: Yes (1)
- Birth/Developmental: Not documented
- Detected in Groundwater: Not documented
- Potential Leacher: Not documented
- Toxic to Birds: Yes (1)
- Toxic to Fish/Aquatic Organisms: Yes (1)
- Toxic to Bees: Yes (1)
Additional Information
- Regulatory Status:
- EPA Reregistration Eligibility Decision (RED) signed (8/2006) (all uses cancelled)
- Supporting information:
- PAN Pesticides Database: DSMA (Pesticide Action Network)
- Studies:
- CHEJ Arsenic Factsheet (Children's Health Environmental Coalition)
Gateway Health and Environmental Effects Citations
1. US EPA, 1995. Monosodium Methanearsonate and Disodium Methanearsonate; Toxic Chemical Release Reporting; Community Right-to-Know. Federal Register Environmental Documents. https://www.govinfo.gov/app/details/FR-1995-04-20/95-9782.