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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information


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Administrative data

Description of key information

Key value for chemical safety assessment

Justification for classification or non-classification

Additional information

No data on carcinogenicity ofpenta-1,3-diene is available in humans and experimental animals. The OECD scientific assessment panel overall considers this substance as “ presently of low concern”.


Given that this substance is used only in closed industrial systems as monomer/intermediate substance with no dispersive use, human exposure to this chemical (outside industrial premises) is not likely.