What is it?

“2,4-Diaminotoluene is an organic compound with the formula C6H3(NH2)2CH3.  It is one isomer of six with this formula. It is a white solid although commercial samples are often yellow-tan.” Wikipedia

What are the effects?

This substance belongs to the groups:

The European Chemicals Agency (ECHA) identifies that 2,4-Diaminotoluene “is toxic if swallowed, may cause cancer, is toxic to aquatic life with long lasting effects, is harmful in contact with skin, is suspected of causing genetic defects, is suspected of damaging fertility  or the unborn child, may cause damage to organs through prolonged or repeated exposure and may cause an allergic skin reaction.”

2,4-Diaminotoluene is on ECHA Candidate List of “Substances of very High Concern.”

This substances contains amines and can form toxic nitrosamines in products.


Even though it is not listed on the list of ingredients, products with 2,4-Diaminotoluene 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?

2,4-Diaminotoluene can be found in foams, upholstery, coatings, sealants, adhesives gums and fibers. The substance is also commonly used when manufacturing other substances.

Did you find this ingredient in a product?

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