Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle

NONADIENAL.

Questionable CAS 557-48-2 / PERFUMING

Nonadienal is a fragrance ingredient recognized for its distinctive fresh, green, and fruity aroma, often described with notes of cucumber, violet leaf, or melon. This aldehyde is primarily employed for its perfuming capabilities in cosmetic applications, and it also holds approval as a flavoring agent in food products.

perfuming

Science

Nonadienal functions predominantly as a perfuming agent, creating a sensory profile through the release of green, cucumber, violet leaf, and melon notes in topical formulations. It does not exhibit known active mechanisms or provide direct therapeutic benefits to the skin.


Research

Insufficient-data confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Nonadienal demonstrates significant instability in formulations with extreme pH values, particularly in highly acidic or very alkaline conditions. As an aldehyde, it may participate in reactions to form diethylacetals when incorporated into alcoholic perfumes. It is reported to be stable in certain bases, such as shampoo, soap, and fabric care formulations.

Conflicts

  • acidic products
  • alkaline products
  • Methyl Anthranilate
  • Indole

Safety

CIR Status
Not reviewed
Max tested
0.5%
Sensitization risk Moderate

Nonadienal is listed by the FDA as a flavoring agent in food and a perfuming agent in cosmetics. It is generally classified as an irritant to the skin (R38, H315) and carries a potential for causing allergic skin reactions (H317). However, a human experience study involving a 2% solution reported no observed irritation or sensitization.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy Medium
Comedogenicity Unknown

Our Assessment

Questionable

While offering desirable fresh scent notes, Nonadienal's classification as a potential skin irritant and allergen, coupled with its lack of direct skincare benefits, makes its suitability for precision skincare formulations questionable.


Related

Finding similar ingredients…