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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Migrated from Short description of key information:
No sensitization was observed in a reliable local lymph node assay (LLNA) on Allantoin.

Justification for selection of skin sensitisation endpoint:
Study was conducted under GLP according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay).

Respiratory sensitisation

Endpoint conclusion
Endpoint conclusion:
no study available
Additional information:
Migrated from Short description of key information:
No data are available on the respiratory sensitization endpoint for Allantoin.

Justification for classification or non-classification

Based on reliable LLNA results, Allantoin does not meet the criteria for classification as a skin sensitiser according to EU Directive 67/548/EEC and Regulation 1272/2008.