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dibutyltin maleate

CAS 78-04-6
2

Safety score · 0–100

Avoid

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Dibutyltin maleate — another organotin PVC stabiliser. Reproductive toxin, banned in EU cosmetics. Do not use.

Dibutyltin maleate is an organotin compound used industrially as a PVC heat stabiliser and polymerisation catalyst. Under EU CLP it carries harmonised classifications including reproductive toxicant Category 1B (H360FD) and STOT repeated exposure, plus acute and chronic aquatic toxicity. Organotins are documented immunotoxicants and endocrine disruptors, with multiple EU and international bans on non-essential uses. EU Regulation 1223/2009 Annex II prohibits organotin compounds in cosmetics. There is no legitimate cosmetic application. Evidence is high.

Skin benefits

  • No legitimate cosmetic benefit

Known concerns

  • EU CLP Repr. 1B
  • Immunotoxicity
  • EU cosmetics Annex II ban
  • Aquatic toxicity
  • Corrosive/irritant

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.