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Dalapon was a commonly used herbicide controlling annual and perennial grasses in croplands. It is no longer found in commercially available herbicides but was used in sugarcane, corn, potatoes, certain legume crops, citrus, fruit, and nut trees. In the western United States, dalapon was used to control the growth of various grasses where it is translocated to the roots to regulate growth. Highly water-soluble, Dalapon can move easily through the environment but is relatively safe, and instances of intoxication are rare. Contact toxicity with the sodium or magnesium salt of Dalapon is an irritant to the eyes, skin, and respiratory system. Generally, Dalapon is considered to be a safe herbicide. Instances of dalapon contamination of water are rare due to the rapid clearance of dalapon. Patients who were exposed to high levels for extended periods can experience kidney dysfunction.

Original languageEnglish
Title of host publicationEncyclopedia of Toxicology, Fourth Edition
Subtitle of host publicationVolume 1-9
ISBN (Electronic)9780128243152
StatePublished - 1 Jan 2023


  • 2,2-Dichloropropionic acid
  • Halogenated aliphatic herbicide
  • Organochlorine


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