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CAS 865-86-1

1-Dodecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heneicosafluoro-

This is a highly fluorinated alcohol (a PFAS “fluorotelomer alcohol”) used to make water- and stain‑repellent coatings. It can transform into persistent PFAS (like PFOA‑type acids) that build up in people and the environment [1][2].

Where It Comes From

Manufacture and use of stain‑resistant textile and paper treatments, industrial coatings, and surfactants; slow release from treated products over time [1][2].

How You Are Exposed

Breathing indoor air and dust from treated carpets/upholstery, using waterproofing sprays, and workplace inhalation/skin contact in textile, paper, and coating jobs; possible releases near facilities [1][2].

Why It Matters

Breaks down to long‑lasting PFAS linked with cholesterol changes, immune and liver effects, and developmental impacts; some PFAS (e.g., PFOA) are carcinogenic to humans [1][2][3].

Who Is at Risk

Workers handling PFAS coatings/sprays; frequent users of stain‑guard products; infants/toddlers (dust), and pregnant people [1][2].

How to Lower Your Exposure

Choose PFAS‑free products; avoid or minimize use of stain‑resistant sprays indoors; use only with good ventilation and follow label PPE; vacuum with HEPA and wet‑dust; wash hands before eating; follow workplace safety controls [1][2].

References

  1. [1]ATSDR. Toxicological Profile for Perfluoroalkyls (Draft for Public Comment). 2021.
  2. [2]U.S. EPA. Basic Information about PFAS; PFAS exposure and health effects. 2022–2024.
  3. [3]IARC Monographs Vol. 135 (2023). PFOA (Group 1) and PFOS (Group 2B) evaluations.

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