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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Additional information:
Migrated from Short description of key information:
Based on the available data for constituents and relevant impurities of the multi constituent substance, the criteria for Skin sensitiser Category 1 are met because the impurity 1,1'-(1,1-dimethyl-3-methylene-1,3-propanediyl)bisbenzene with up to 2.2 % is classified as Skin sens. 1 (based on a test according to OECD 429 (informaton from Safety data sheet and disseminated Information on the registered substance via ECHA-homepage (Study Report 2012).

Justification for classification or non-classification

Reaction mass of acetophenone and hydratropaldehyde and (E)-1,4-diphenyl-2-butene-1,4-dione:

Based on the available data for constituents and relevant impurities of the multi constituent substance, the criteria of the CLP regulation (EC) 1272/2008 for Skin sensitiser Category 1 are met because the impurity 1,1'-(1,1-dimethyl-3-methylene-1,3-propanediyl)bisbenzene with up to 2.2 % is classified as Skin sens. 1.