Skip to Main Navigation
Skip to Page Content
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.


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.

Testing Status of Transgenic LECM (Pentachlorophenol) M960065


CASRN: 87-86-5

Formula: C6-H-Cl5-O

Synonyms/Common Names

  • Pentachlorophenol (Transgenic LECM)
  • Transgenic-Laboratory of Environmental Carcinogenesis and Mutagenesis (Pentachlorophenol)

Known Uses

Wood preservative; fungicide; soil fumigant for termites; preharvest defoliant; seed treatment for beans; preservative for paint, leather, textiles, inks; antibacterial agent in disinfectants & cleansers. Special LECM transgenic mouse study.

Chemical Properties

Toxicity Effects (HSDB)

Short-Term Toxicity

  • 26 weeks (Dosed-Feed)  (C89002B)  Completed 
    • Mice: P53 +/- (C57BL/6)
    • Dose: M&F: 0, 100, 200, OR 400 PPM; 10/SEX/DOSE.
  • 20 weeks (Topical Application)  (C89002C)  Completed 
    • Mice: Tg.AC (FVB/N) Hemizygous
    • Dose: FM ONLY: 0, 0.75, 1.5, OR 3.0 MG/200 UL; 15/DOSE.