Skip to content

Cyclic 3-(1,2-ethanediylacetale)-estra-5(10),9(11)-diene-3,17-dione

CAS 5571-36-8
10

Safety score · 0–100

Avoid

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

About

A cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

This bridged estrane derivative with 3,17-dione functionality is a synthetic steroid hormone analog with documented endocrine-disrupting and carcinogenic potential. Its multiple hazard statements (H302, H350, H351, H360F, H361, H373, H411, H413) cover the full spectrum of EU CMR substance concerns. It is listed under EU Annex II as a prohibited CMR substance for all cosmetic product types, with zero tolerance in finished products.

Known concerns

  • Carcinogen (H350)
  • Suspected carcinogen (H351)
  • Reproductive toxicity (H360F, H361)
  • Acute oral toxicity (H302)
  • Endocrine-disrupting steroid
  • Banned CMR substance in EU Annex II — prohibited in all cosmetic products
  • Environmental hazard (H411, H413)

References

EU

EU CosIng database

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

Check your shelf

Find Cyclic 3-(1,2-ethanediylacetale)-estra-5(10),9(11)-diene-3,17-dione in your products.

Scan any cosmetic product with LuxSense to see if it contains Cyclic 3-(1,2-ethanediylacetale)-estra-5(10),9(11)-diene-3,17-dione and get a full ingredient breakdown with safety scores.

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.