What is it?

“P-cresidine, also called, para-Cresidine is an organic compound with the formula CH3OC6H3(CH3)NH2. It is a white solid that is soluble in organic solvents.” Wikipedia

What are the effects?

This substance belongs to the groups:

The European Chemicals Agency (ECHA) identifies that the substance “may cause cancer and is harmful if swallowed.”

P-cresidine is on ECHA Candidate List of “Substances of very High Concern.”

This substance contains an amino group and risk forming nitrosamines.


Even though it is not listed on the list of ingredients, products with toluene-2,5-diamine may contain impurities from:

  • Nitrosamines –  Linked to endocrine disruption, cancer, organ system toxicity, and is prohibited to use in cosmetics in the EU and Canada.

How is it used?

The substance is used in the manufacture of dyes and pigments.

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