Learn Glossary pesticide residue

Monosodium Methylarsonate

Level 4Significant concernsIn Winter's Dictionary

Monosodium Methylarsonate is a pesticide residue — Herbicide used on animal feed and cottonseed hulls

Also: Arsonate Liquid, Weed-E-Rad

What it does

Herbicide used on animal feed and cottonseed hulls

Where you'll see it

cottonseed hulls used for animal feed

What the research says

Arsenic compound; moderately toxic by ingestion. Skin and eye irritant.

Regulatory status

  • Notes: Community Right-to-Know List; EPA Genetic Toxicology Program. FDA residue limit 0.9 ppm in cottonseed hulls

Sources

  • A Consumer's Dictionary of Food Additives (Winter): A herbicide used on animal feed and cottonseed hulls. FDA residue limit is 0.9 ppm