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Moumoujus

2-FURFURYLENEOCTANAL.

Optional CAS 67801-17-6 / PERFUMING

An aromatic aldehyde compound featuring a furan ring structure, primarily utilized as a fragrance component in skincare formulations. This ingredient provides distinctive olfactory properties rather than direct skin benefits, requiring careful concentration control due to sensitization potential.

Summary

perfuming

Science

Mechanism of Action

Functions exclusively as a perfuming agent, contributing aromatic characteristics through its unsaturated aldehyde structure. The furan ring system enables specific scent profiles, though the compound may interact with skin proteins via Michael addition pathways at elevated concentrations.

Research

Clinical Evidence

Medium confidence
Effective range 0.01–0.11%
Optimal

0.1%

Key findings

  1. 01 Human Cell Line Activation Testing revealed sensitization potential, leading to regulatory restrictions in fragrance applications

Transparency

Dusting Analysis

Not commonly dusted
Red flag below
0.11%

Not typically subject to dusting practices; regulatory limits prevent excessive concentrations due to sensitization concerns

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 7
0 7 14

Stability

Susceptible to oxidative degradation when exposed to air and light; performs optimally in oil-based systems or within emulsion oil phases

Conflicts

  • Strong oxidizing agents
  • Strong bases
  • Primary amines

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.11%
Sensitization risk Moderate

Subject to IFRA regulatory standards with concentration limits varying by product category; EU CosIng database classification as perfuming agent

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized fragrance ingredient with moderate sensitization risk, suitable only when olfactory enhancement justifies potential sensitivity concerns.

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References

Sources