# Pentachlorothiophenol (PCTP) — EPA TSCA Section 6 chemical risk management status: prohibitions, effective dates, and exemptions For Pentachlorothiophenol (PCTP), tsca section is 6(h), verified against its source on 2026-08-15. - **Chemical:** Pentachlorothiophenol (PCTP) _(verified: appears in the quote below)_ - **TSCA section:** 6(h) _(verified: appears in the quote below)_ - **Rule status:** Final _(per epa.gov, not stated by the source above)_ - **Final rule date:** December 2020 _(per epa.gov, not stated by the source above)_ ## What the source says > 6(h) Decabromodiphenyl ether (DecaBDE) Phenol, isopropylated phosphate (3:1) (PIP (3:1)) 2,4,6-Tris(tert-butyl)phenol (2,4,6-TTBP) Hexachlorobutadiene (HCBD) Pentachlorothiophenol (PCTP) Meetings, Webinars, and Other Engagement Opportunities Upcoming Dates No upcoming meetings scheduled at this time. ## What epa.gov says > Regulation of Persistent Bioaccumulative and Toxic Chemicals under TSCA section 6(h). In December 2020, EPA released final rules under the Toxic Substances Control Act (TSCA) to reduce exposure to five chemicals that are persistent, bioaccumulative and toxic (PBT). Source: https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/regulation-chemicals-under-section-6a-toxic-substances ## Source - https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-existing-chemicals-under-tsca - https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/regulation-chemicals-under-section-6a-toxic-substances Last verified: 2026-08-15. Review by: 2026-11-13. Part of [EPA TSCA Section 6 chemical risk management status: prohibitions, effective dates, and exemptions](https://referencesource.org/tsca-section-6-chemical-risk-management-status/).