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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

A study was identified as a Key study (Pelcot, 2010). This study was performed according to theOECD guideline No.429 and in compliance with the GLP. The stimulation index was higher than 3 at 50 and 100 %. The EC3 value for dimethyloctadiene was 41%.

Migrated from Short description of key information:
Sensitising (LLNA, OECD 429, Kr: 1)

Justification for classification or non-classification

As positive responses were observe din an LLNA assay and an EC3 value of 41% was determined, dimethyloctadiene is classified as skin sensitizer in category 1B (H317: May cause an allergic skin reaction) according to the criteria of the CLP Regulation n° 1272/2008 and as skin sensitizer (Xi, R43: May cause sensitization by skin contact) according to the criteria of the Annex VI of Directive 67/548/EC.