National Toxicology Program

National Toxicology Program

Testing Status of 1,2,3,4,7,8-Hexachlorodibenzofuran - M920004


CASRN: 70648-26-9

Formula: C12-H2-Cl6-O

Synonyms/Common Names

  • Dibenzofuran, 1,2,3,4,7,8-hexachloro-

Known Uses

Contaminant. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Organ Systems Toxicity

  • Conventional Teratology (Gavage)  (TER90081)  Completed 
    • Mice: C57BL/6N
    • Mice Maternal Positive 
    • Mice Fetal Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.