chemical information
CAS RN:

70648-26-9

Chemical Class:

Brominated furan

Chemical SubClass

Hexabrominated furan

Found in these people:

Baby #2, Baby #5, Baby #1

Found in these locations:

not found





1,2,3,4,7,8-HxBDF (hexafuran)

1,2,3,4,7,8-HxBDF (hexafuran) has been found in 6 of the 23 people tested in EWG/Commonweal studies.


Top health concerns for 1,2,3,4,7,8-HxBDF (hexafuran) (References)

health concern or target organ weight of evidence
Immune system (including sensitization and allergies)limited

Other health concerns for 1,2,3,4,7,8-HxBDF (hexafuran) (References)

health concern or target organ weight of evidence
Persistent, accumulates in wildlife and/or peopleprobable


Results for 1,2,3,4,7,8-HxBDF (hexafuran)

in blood serum (lipid weight)

Showing results from EWG/Commonweal Study #4, industrial chemicals and pesticides in cord blood, Minority Cord Blood, EWG Study #3, industrial chemicals and pesticides in adults

EWG/Commonweal results

  • geometric mean: 3.2 pg/g (lipid weight) in blood serum
  • found in 6 of 23 people in the group
0 pg/g (lipid weight) in blood serum 452


1,2,3,4,7,8-HxBDF (hexafuran) results


Detailed toxicity classifications (References)

classification governing entity/references
Persistent, bioaccumulative toxicant - Great Lakes Binational Strategy, Tier 1 concern (highest), targeted for phase-outGreat Lakes BTS (Binational Toxics Strategy). 1997. Canada-United States Strategy for the Virtual Elimination of Persistent Toxic Substances in the Great Lakes. Appendix I - Level 1 and Level 2 substances.
Persistent, bioaccumulative toxicant - targeted for emission reductions and process controls under international treaty (Stockholm Convention on Persistent Organic Pollutants, or POPs Convention)United Nations Environment Programme/POPs Treaty (2001)
Very persistent and bioaccumulative toxicant - targeted for waste reporting under U.S. Environmental Protection Agency Toxics Release Inventory programsEPA Toxic Release Inventory (1999)
Limited evidence in humans - immune system toxicityBirnbaum, L. S., D. F. Staskal, et al. (2003). Health effects of polybrominated dibenzo-p-dioxins (PBDDs) and dibenzofurans (PBDFs). Environ Int 29(6): 855-60.