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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Read-across justification summary is attached to this endpoint summary.

Data generated using the read across substance, dienone, did not indicate that the substance was a skin sensitiser.

Migrated from Short description of key information:
Testing of dienone in guinea pigs did not reveal a skin sensitising potential. Therefore, by read-across, didenac is not a skin sensitiser.

Respiratory sensitisation

Endpoint conclusion
Endpoint conclusion:
no study available

Justification for classification or non-classification

Based on read across to dienone, didenac is not classified as a skin sensitising agent according to the Directive 67/548 EEC or according to Regulation (EC) 1272/2008 (CLP).