Science
Mechanism of Action
This compound primarily functions by imparting a fragrance to cosmetic products and acting as a solvent to dissolve other ingredients. As an aldehyde, it can participate in chemical reactions, notably as an intermediate, and has been identified as a metabolite in fungal and bacterial processes.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data regarding cosmetic dusting practices or thresholds for Ethylhexanal is available.
The Formula
Formulation
Stability
Ethylhexanal is air-sensitive and prone to oxidation, readily forming carboxylic acids, a process accelerated by light and transition metal catalysts. It also undergoes exothermic self-condensation and polymerization, typically catalyzed by acids. It exhibits slight solubility in water (approximately 0.01 g/L or 400 ppm at 25 °C) and is miscible with most organic solvents, including alcohols.
Conflicts
- oxidizing materials
- azo compounds
- diazo compounds
- dithiocarbamates
- nitrides
- strong reducing agents
- acids (due to acid-catalyzed polymerization)
Safety
Safety Profile
Ethylhexanal lacks a specific safety assessment from the CIR or SCCS. It is classified with GHS pictograms indicating flammability, irritancy, and health hazards. Hazard statements include H226 (flammable liquid and vapor), H317 (may cause an allergic skin reaction), and H361 (suspected of damaging fertility or the unborn child). Risk statements denote flammability (R10), irritation to eyes, respiratory system, and skin (R36/37/38), and potential for sensitization via skin contact (R43). It demonstrates moderate toxicity via ingestion and intraperitoneal routes, and mild toxicity upon inhalation and skin contact. Direct liquid contact can cause first-degree burns from short exposure and second-degree burns from prolonged contact.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to its high irritancy, significant sensitization risk, suspected reproductive toxicity, and lack of comprehensive cosmetic safety review, Ethylhexanal is strongly advised against for use in precision skincare formulations.
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