5-Ethoxy-3-trichloromethyl-1,2,4-thiadiazole (Etridiazole - ISO)

Other

5

Avoid

CAS Number: 2593-15-9

About 5-Ethoxy-3-trichloromethyl-1,2,4-thiadiazole (Etridiazole - ISO)

A toxic agricultural fungicide with multiple hazard classifications including carcinogenicity and respiratory toxicity, prohibited in cosmetic products.

Detailed Analysis

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

Safety Score

5

Avoid

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.