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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

TMQ is not irritating to skin or eye. There are no data on respiratory irritation available.

Key value for chemical safety assessment

Skin irritation / corrosion

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed (not irritating)

Eye irritation

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed (not irritating)

Additional information

TMQ was not irritating to the skin in an study equivalent to OECD TG 404 with 6 rabbits dosed with 500 mg TMQ (Birch, 1974) and also not irritating to the eye in a study equivalent to OECD TG 405 with 6 rabbits dosed with 50 mg TMQ (Birch, 1974).


Effect level: empty Endpoint conclusion: Adverse effect observed

Justification for classification or non-classification

Based on the available information no classification is required according to the EU classification criteria 67/548/EWG and regulation no. 1272/2008 (GHS).