chemical information
CAS RN:

107555-95-3

Chemical Class:

Brominated furan

Chemical SubClass

Heptabrominated furan

Found in these people:

Baby #7, U.S. Representative Louise Slaughter, Baby #3, Baby #4, Baby #2, Baby #5, Baby #1, Cord Blood Sample 16, Cord Blood Sample 14, Cord Blood Sample 13

Found in these locations:

Upstate New York, NY





1,2,3,4,6,7,8-HpBDF (heptafuran)

1,2,3,4,6,7,8-HpBDF (heptafuran) has been found in 10 of the 23 people tested in EWG/Commonweal studies.


Top health concerns for 1,2,3,4,6,7,8-HpBDF (heptafuran) (References)

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


Results for 1,2,3,4,6,7,8-HpBDF (heptafuran)

in blood serum (lipid weight)

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

EWG/Commonweal results

  • geometric mean: 5.81 pg/g (lipid weight) in blood serum
  • found in 10 of 23 people in the group
0 pg/g (lipid weight) in blood serum 751


1,2,3,4,6,7,8-HpBDF (heptafuran) results


Detailed toxicity classifications (References)

classification governing entity/references
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.