2,2'-THIOBIS(4-CHLOROPHENOL)

28

Avoid

CAS Number: 97-24-5

About 2,2'-THIOBIS(4-CHLOROPHENOL)

2,2'-THIOBIS(4-CHLOROPHENOL) is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

Detailed Analysis

2,2'-Thiobis(4-chlorophenol) (Fentichlor) is a chlorinated phenolic compound with antimicrobial properties historically used as a preservative and antibacterial agent in cosmetics. The EU CLP classification as Danger with multiple hazard statements (H315 skin irritation, H317 skin sensitization, H318 serious eye damage, H335 respiratory irritation, H413 aquatic toxicity) reflects its challenging safety profile. Its use in modern cosmetics is limited due to these concerns.

Skin Benefits

  • ✓ Antimicrobial/antibacterial properties
  • ✓ Historical preservative use

Known Concerns

  • ⚠ EU Danger classification (GHS05/GHS07)
  • ⚠ H317 - skin sensitization (strong sensitizer)
  • ⚠ H318 - serious eye damage potential
  • ⚠ H413 - hazardous to aquatic environment
  • ⚠ Not recommended for modern cosmetic formulations

Safety Score

28

Avoid

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

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

Check your products for 2,2'-THIOBIS(4-CHLOROPHENOL)

Scan any cosmetic product to see if it contains this ingredient and get a full safety breakdown.

Download LuxSense

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