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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Carcinogenicity

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Administrative data

Description of key information

Key value for chemical safety assessment

Justification for classification or non-classification

No experimental data are available for the assessment of carcinogenicity of 3-(methylthio)aniline.


The structure activity relationship of the substance was investigated in silico by using the QSAR Toolbox 4.3.1 (released 2019).


The Toolbox refers to aromatic amine type compounds (primary aromatic amines, hydroxyl amines and their derived esters) for carcinogenicity.


Based on the structural similarity of 3-(methylthio)aniline to aniline (62 -53 -3) and the similarity of metabolism of both substances in rat liver simulated by the QSAR Toolbox, the experimental results for aniline will be taken over to 3 -(methylthio)aniline. Thus, 3 -(methylthio)aniline will be classified with Carc 2 (H351) in accordance to aniline as long as no experimental data are available for 3 -(methylthio)aniline itself.

Additional information