U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6)

Study Results

Chronic Bioassay Level of Evidence

An overview of chronic evidence from Rats studies.
Rats
View
  • Clear Evidence, Female, Rats

Genetic Toxicology

An overview of Genetic Toxicology Rodent Cytogenetics study conclusions related to TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6).
Rodent Cytogenetics
CA SCE
  • View
    • Not a Valid Test
An overview of Genetic Toxicology Mammalian Cell Mutagenicity study conclusions related to TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6).
Mammalian Cell Mutagenicity
View
  • Negative
An overview of Genetic Toxicology Mammalian Cell Cytogenetics study conclusions related to TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6).
Mammalian Cell Cytogenetics
CA SCE
An overview of Genetic Toxicology Drosophila Germ Cell Mutagenicity study conclusions related to TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6).
Drosophila Germ Cell Mutagenicity
SLRL
An overview of Genetic Toxicology Bacterial Mutagenicity study conclusions related to TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6).
Bacterial Mutagenicity
View
  • Negative

Citation Information

NTP. TR-521: 2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6). Chemical Effects in Biological Systems (CEBS). Research Triangle Park, NC (USA): National Toxicology Program (NTP).

Related Links

Publications

TR-521 Toxicology and Carcinogenesis Studies of 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) (CASRN 1746-01-6) in Female Harlan Sprague-Dawley Rats (Gavage Studies)