Other
4-Methyl-m-phenylene diisocyanate (Toluene 2,4-diisocyanate)
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.
Toluene 2,4-diisocyanate is a severe respiratory sensitizer (H334, H330) and is classified as a suspected carcinogen (H351) and mutagen (H341). It is listed on EU Annex II (Regulation (EC) No 1223/2009) as a banned substance for cosmetic products due to its extreme sensitizing potential.
Known concerns
- Respiratory sensitizer (H334)
- Suspected carcinogen (H351)
- Suspected mutagen (H341)
- Serious eye and skin irritation (H318, H315)
- Banned under EU Annex II
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 — always read the physical product label and consult a healthcare professional for personal concerns.