1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane

{
  "id": "MLC-T-ENV-000012",
  "term": "1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane",
  "field": "Environment",
  "definition": "1. The first chlorinated hydrocarbon insecticide has a half-life of 15 years and can collect in fatty tissues of certain animals. EPA banned registration and interstate sale of DDT for virtually all but emergency uses in the United States in 1972 because of its persistence in the environment and accumulation in the food chain. CAS 50-29-3\n\n2. A pesticide that was once widely used to control insects on agricultural crops and insects that carry diseases like malaria and typhus, but is now used in only a few countries to control malaria … After 1972, the use of DDT was no longer permitted in the United States except in cases of a public health emergency.” - Agency of Toxic Substances and Disease Registry, 2002\n\n3. Pesticide used widely in the mid-20th century to control mosquitoes. DDT was banned after it was found to cause bald eagles and other birds to lay eggs with brittle shells that would crack easily, causing populations to decline.",
  "abbreviation": "DDT",
  "subject": "Chemical substances",
  "references": [
    "Terms of Environment",
    "USGS Toxic Substances Hydrology Program Definitions",
    "Chesapeake Bay Program Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/111-trichloro-22-bis-p-chlorophenyl-ethane/"
}