chemical information
CAS RN:

39765-80-5

Chemical Class:

Organochlorine Pesticide (OC)

Found in these people:

Baby #1, Baby #2, Baby #3, Baby #4, Baby #5, Baby #6, Baby #8, Baby #10, Anonymous Adult 1, Kathy Fowler, Sara Corbett

Found in these locations:

Rockville, MD; NY, USA





trans-Nonachlor

Organochlorine chemical, a class largely banned in the U.S. that builds up in the body over time, linked to cancer and reproductive harm.

trans-Nonachlor has been found in 15 of the 18 people tested in EWG/Commonweal studies.


Top health concerns for trans-Nonachlor (References)

health concern or target organ weight of evidence
Reproduction and fertilityunknown


Results for trans-Nonachlor

in blood serum (lipid weight)

Showing results from EWG Study #3, industrial chemicals and pesticides in adults, EWG/Commonweal Study #4, industrial chemicals and pesticides in cord blood, EWG Study #8, chemicals in mother and 2 children, San Francisco Reporter

EWG/Commonweal results

  • geometric mean: 1.57 ng/g (lipid weight) in blood serum
  • found in 15 of 18 people in the group
0 ng/g (lipid weight) in blood serum 86.4


trans-Nonachlor results


Detailed toxicity classifications (References)

classification governing entity/references
Reproductive effects - weight of evidence unknown/unassessedDamgaard, I. N., N. E. Skakkebaek, et al. (2006). Persistent pesticides in human breast milk and cryptorchidism. Environ Health Perspect 114(7): 1133-8.