Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In accordance with column 2 of REACH Annex VII Nr. 8.3, the study does not need to be conducted as the available information indicates that the substance is to be classified for skin corrosion.

Migrated from Short description of key information:
There is no data for isobutyric anhydride

Respiratory sensitisation

Endpoint conclusion
Endpoint conclusion:
no study available
Additional information:

There is no data available for isobutyric anhydride. As the substance is classified as corrosive, the test is waived based on Annex VII of the REACH regulation.

Justification for classification or non-classification