L-MENTHANONE

Fragrance

58

Moderate

CAS Number: 14073-97-3

About L-MENTHANONE

A menthol-related fragrance compound — gives a minty scent but can irritate skin and may cause allergic reactions. Common fragrance allergen.

Detailed Analysis

L-Menthanone ((-)-menthone, CAS 14073-97-3, PubChem CID 26447) is a naturally occurring monoterpene ketone found in mint essential oils. It's the levorotatory isomer of menthone. GHS classifications include H226 (flammable, 74%), H315 (skin irritation, up to 93%), H317 (allergic skin reaction/sensitization, up to 93%), and H412 (harmful to aquatic life, 89%). The high reporting frequency of skin irritation and sensitization is concerning. As a known fragrance allergen, IFRA recommends concentration limits.

What It Does

PERFUMING

Skin Benefits

  • ✓ Provides cooling minty fragrance
  • ✓ Mild counterirritant effect

Known Concerns

  • ⚠ Causes skin irritation (GHS H315, ~93% reporting)
  • ⚠ May cause allergic skin reactions — known sensitizer (GHS H317, ~93%)
  • ⚠ Flammable liquid (GHS H226)
  • ⚠ Harmful to aquatic life with long-lasting effects (GHS H412)

Safety Score

58

Moderate

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.