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Not cosmetic — industrial precursor

TANTALUM ETHOXIDE/ISOPROPOXIDE

15

Safety score · 0–100

Avoid

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

About

An industrial tantalum alkoxide — a moisture-reactive precursor for thin-film coatings, not a cosmetic ingredient.

Tantalum Ethoxide and Tantalum Isopropoxide are metal-alkoxide precursors used in sol-gel and chemical-vapor-deposition processes to generate tantalum oxide (Ta2O5) thin films for capacitors, optical coatings and semiconductor applications. They are highly moisture-sensitive, reacting with water to generate heat and liberate the parent alcohol; under GHS they typically carry flammable-liquid and skin-corrosive classifications. There is no legitimate cosmetic function — no CIR/SCCS evaluation, no EU CosIng cosmetic role, and fundamental chemistry (aqueous-incompatibility, corrosive hydrolysis) makes cosmetic formulation impossible. Any appearance in a cosmetic ingredient taxonomy is almost certainly a data-sourcing artefact or marketing mis-registration.

Function

SKIN PROTECTING

Skin benefits

  • None — not a cosmetic ingredient

Known concerns

  • Violent water-reactive hydrolysis
  • Flammable and corrosive
  • No cosmetic regulatory status
  • Incompatible with cosmetic formats

References

EU

EU CosIng database

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

Check your shelf

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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.