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ISOBUTYL HEXANOATE.

Questionable CAS 105-79-3 / PERFUMING

Isobutyl Hexanoate is an ester commonly employed in formulations for its characteristic fruity aroma. It functions as a perfuming agent in cosmetic products and a flavoring agent in food, contributing a distinct scent profile.

Perfuming Agent

Science

This ingredient acts purely as a perfuming agent, imparting a fruity fragrance to cosmetic formulations. It does not exhibit any known therapeutic effects or physiological benefits when applied to the skin or body; its utility is restricted to scent contribution.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Isobutyl Hexanoate generally offers good stability and broad compatibility, allowing for straightforward incorporation into diverse formulations. As an ester, it is susceptible to reaction with strong acids and bases, potentially generating heat and leading to the liberation of alcohols and acids. For optimal fragrance integrity, it is recommended to add it as a final component in formulations, maintain temperatures below 40°C, and store it in a tightly sealed, cool, dry container protected from light.

Conflicts

  • strong acids
  • strong bases

Safety

CIR Status
Unknown
Sensitization risk Unknown

While the CIR Expert Panel has evaluated a broader category of alkyl esters, deeming them safe for cosmetic use when formulated to be non-irritating, a specific direct safety assessment for Isobutyl Hexanoate was not identified in the provided data. The SCCS has not specifically reviewed this compound. The FDA lists Isobutyl Hexanoate as a 'FLAVORING AGENT OR ADJUVANT' for direct food addition under 21 CFR 172.515, but its regulation in cosmetics falls under MoCRA 2022, which focuses on facility and product listing rather than pre-market ingredient approval.


Your Skin

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

Our Assessment

Questionable

Isobutyl Hexanoate functions exclusively as a fragrance component, providing no direct therapeutic skin benefits, and its specific safety and compatibility profile for cosmetic application remains largely undetermined.


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