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Moumoujus

2,4-DIMETHYLPYRIDINE.

Avoid CAS 108-47-4 / PERFUMING

2,4-Dimethylpyridine, also known as 2,4-Lutidine, is an industrial chemical compound primarily utilized as a fragrance component and chemical intermediate rather than a bioactive skincare ingredient. This aromatic pyridine derivative exhibits high dermal permeability but is associated with significant irritation potential at concentrations above 0.01%.

Summary

perfuming chemical intermediate pH adjuster

Science

Mechanism of Action

Functions primarily as an aromatic perfuming agent with mildly basic properties (pKa 6.99) that can influence formulation pH. Its high dermal penetration capability makes it effective for fragrance delivery, though it lacks established skin-benefiting bioactivity beyond its aromatic function.

Research

Clinical Evidence

Low confidence
Effective range ≤0.01%
Optimal

0.01%

Key findings

  1. 01 Maximum recommended usage level for fragrance applications with GRAS safety status for flavoring

Transparency

Dusting Analysis

Not commonly dusted

Not commonly used as a standalone skincare active due to limited cosmetic applications and high irritation potential

The Formula

Formulation

Solubility
Both
Optimal pH 6.5 – 7.5
0 7 14

Stability

Hygroscopic liquid requiring protection from air and light exposure to prevent discoloration over time

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Acid chlorides
  • Acid anhydrides

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.01%
Sensitization risk High

GHS classification indicates toxicity if ingested/inhaled and significant skin/eye irritation potential (H315, H319)

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

An industrial chemical with high irritation potential that offers no established skin benefits beyond fragrance at severely restricted concentrations.

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