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CAS 1983-10-4

Tributyltin fluoride

Tributyltin fluoride is a highly toxic organotin used as an industrial biocide, notably in marine antifouling paints; many uses are now restricted because it harms wildlife and can affect human health [1][2]. As a tributyltin (TBT) compound, it can disrupt hormones and the immune system [1][3].

Where It Comes From

Past and some industrial uses in antifouling paints, wood preservatives, and biocides; leaches from painted surfaces into water and accumulates in sediments [2][4].

How You Are Exposed

Eating contaminated fish or shellfish; breathing or touching dust/paint chips during boat maintenance; workplace handling of TBT products; contact with polluted water near marinas/shipyards [1][2].

Why It Matters

Short-term skin/eye irritation; long-term immune and hormone (endocrine) effects, and nervous system and reproductive effects seen in animal studies; very toxic to aquatic life and builds up in fish and shellfish [1][2][3][4].

Who Is at Risk

Boatyard/shipyard workers; DIY boat owners; people who frequently eat shellfish from polluted areas; pregnant people and children; communities near contaminated harbors [1][2].

How to Lower Your Exposure

Follow local fish/shellfish advisories; avoid dry-sanding old antifouling paints (use containment, wet methods, PPE); keep kids away from boat work; dispose of paint waste as hazardous; employers should provide controls and protective gear [1][2][4].

References

  1. [1]ATSDR. Toxicological Profile for Tin and Tin Compounds. Agency for Toxic Substances and Disease Registry, 2005.
  2. [2]WHO/IPCS. Environmental Health Criteria 116: Tributyltin Compounds. World Health Organization, 1990.
  3. [3]U.S. EPA IRIS. Tributyltin oxide (CASRN 56-35-9). Integrated Risk Information System, U.S. Environmental Protection Agency.
  4. [4]U.S. EPA. Ambient Aquatic Life Water Quality Criteria for Tributyltin (TBT). EPA 822-R-03-031, 2003.

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