7-ETHYLBICYCLOOXAZOLIDINE

Other

38

Caution

CAS Number: 7747-35-5

About 7-ETHYLBICYCLOOXAZOLIDINE

A heterocyclic preservative and formaldehyde releaser restricted in EU Annex III cosmetics, requiring strict concentration limits.

Detailed Analysis

7-Ethylbicyclooxazolidine (Oxazolidine-E) is a heterocyclic preservative and formaldehyde releaser. It is listed in EU Regulation 1223/2009 Annex V (preservatives) with restriction V/49 and is also subject to formaldehyde releaser limits under Annex III. The EU restricts its maximum permitted concentration and requires specific labeling. As a formaldehyde releaser, it carries sensitization risk and is subject to stricter controls in leave-on products.

Skin Benefits

  • ✓ Preservative function in cosmetic formulations

Known Concerns

  • ⚠ EU Annex III restricted (V/49) – concentration limits apply
  • ⚠ Formaldehyde releaser – skin sensitization risk
  • ⚠ Must be labeled as formaldehyde releaser in EU
  • ⚠ Restrictions differ for leave-on vs rinse-off products

Safety Score

38

Caution

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.