Other
5-Ethoxy-3-trichloromethyl-1,2,4-thiadiazole (Etridiazole - ISO)
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A toxic agricultural fungicide with multiple hazard classifications including carcinogenicity and respiratory toxicity, prohibited in cosmetic products.
Etridiazole (5-ethoxy-3-trichloromethyl-1,2,4-thiadiazole) is an ISO-named agricultural fungicide prohibited from use in cosmetic products under EU Cosmetics Regulation (EC) No 1223/2009. It carries multiple EU CLP hazard classifications including Acute Toxicity (H302, H312, H330, H331), Skin Sensitization (H317), Carcinogenicity (H351), and Hazardous to Aquatic Environment (H400, H410). It is also classified as a suspected mutagen (H341) and specific target organ toxicant. The substance has no legitimate cosmetic application.
Known concerns
- Suspected carcinogen (EU CLP Category 2, H351)
- Suspected mutagen (H341)
- Acute oral and inhalation toxicity (H302, H330, H331)
- Skin sensitizer (H317)
- Prohibited in EU cosmetic products
- Extremely toxic to aquatic organisms (H400, H410)
- Multiple severe hazard classifications
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related others
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.