Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Key value for chemical safety assessment

Additional information

The experimental data for hydroquinone is not provided. It is referred to the legal classification of hydroquinone in the EU (Annex I index no. 604 -005 -00 -4).


Short description of key information:
Information in the public literature is inconclusive in regard to genotoxicity and information is only available for a limited number of endpoints. In analogy to hydroquinone, 2-methylhydroquinone is classified as a suspected mutagen (GHS Category 2).

Endpoint Conclusion:

Justification for classification or non-classification