3,3-DIMETHYL-1,5-DIOXASPIRO-UNDECANE

Fragrance

78

Good

CAS Number: 707-29-9

About 3,3-DIMETHYL-1,5-DIOXASPIRO-UNDECANE

A spiro acetal fragrance compound with a fresh, clean, slightly floral scent — no known hazards.

Detailed Analysis

3,3-Dimethyl-1,5-dioxaspiro-undecane (CAS 707-29-9) is a cyclic acetal (spiro compound) used as a perfuming ingredient. Spiro acetals are valued in perfumery for their stability and unique olfactory properties — often providing fresh, clean, slightly floral-green notes. No GHS hazard classifications, no EU restrictions. Acetals are generally among the safer fragrance chemical classes due to their low reactivity.

What It Does

PERFUMING

Known Concerns

  • ⚠ Limited published safety data

Safety Score

78

Good

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

References

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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.