National Toxicology Program

National Toxicology Program

Testing Status of 2,3,7-Tribromodibenzo-p-dioxin - 10021


CASRN: 51974-40-4

Formula: C12-H5-Br3-O2

Synonyms/Common Names

  • 2,3,7-Tribromobenzo-4-dioxin
  • 2,3,7-Tribromobenzo-p-dioxin

Known Uses

Dioxin compound

Chemical Properties

Toxicity Effects (HSDB)

Organ Systems Toxicity

  • Single dose Immunotoxicity (Gavage)  (I10325)  Completed 
    • Female Mice: B6C3F1
    • Dose: 0, 1, 3, 5, 10, or 30 ug/kg.


  • Microarray Analysis  (T10325)  Completed 
    NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.