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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

Key value for chemical safety assessment

Skin sensitisation

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed (not sensitising)
Additional information:

Epicutaneous study in animals under GLP and with full study report and supporting data available demonstrated that crotonaldehyde does not have the potential for skin sensitization. Unreliable human patch test summaries have reported positive skin sensitization reactions with crotonaldehyde.


Migrated from Short description of key information:
Epicutaneous study in mice was negative for skin sensitization

Respiratory sensitisation

Endpoint conclusion
Additional information:

No data available


Migrated from Short description of key information:
No data available

Justification for classification or non-classification

According to the criteria in regulation (EC) No. 1272/2008, classification for skin sensitization is not warranted. No data are available for respiratory sensitization.