5-Ethyl-3,7-dioxa-1-azabicyclo[3.3.0] octane

Other

35

Caution

CAS Number: 7747-35-5

About 5-Ethyl-3,7-dioxa-1-azabicyclo[3.3.0] octane

5-ethyl-3,7-dioxa-1-azabicyclo[3.3.0] Octane is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Detailed Analysis

5-Ethyl-3,7-dioxa-1-azabicyclo[3.3.0]octane is a heterocyclic bicyclic compound used in fragrance compositions for its fresh, herbal, and ozonic notes. The ingredient carries one of the most extensive GHS hazard profiles in this batch: H315 (skin irritation), H317 (skin sensitization), H318 (serious eye damage), H319 (eye irritation), H332 (inhalation toxicity), H335 (respiratory irritation), and H412 (aquatic toxicity). The EU Cosmetics Regulation limits this ingredient to 0.3% maximum concentration in finished cosmetic products. The simultaneous presence of skin sensitization, eye damage, and respiratory hazards requires strict formulation controls and protective equipment during handling.

Known Concerns

  • ⚠ Skin sensitizer (H317) - may cause allergic skin reactions
  • ⚠ Serious eye damage (H318) - risk of permanent eye injury
  • ⚠ Skin irritation (H315)
  • ⚠ Respiratory irritation (H335) - avoid in aerosol/spray products
  • ⚠ Harmful if inhaled (H332)
  • ⚠ Harmful to aquatic life (H412)
  • ⚠ EU limit: maximum 0.3% in finished cosmetic products

Safety Score

35

Caution

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

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

Check your products for 5-Ethyl-3,7-dioxa-1-azabicyclo[3.3.0] octane

Scan any cosmetic product to see if it contains this ingredient and get a full safety breakdown.

Download LuxSense

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