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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

Based on the results of a GLP study performed according to the OECD 301B guideline, 4-methyl-3-thiosemicarbazide is not readily biodegradable.


In accordance with column 2 of REACH Annex IX, the biodegradation in soil and/or sediments study (required in section does not need to be conducted as the substance can be expected to have a low potential for adsorption based on its intrinsic properties (log Kow is a negative value).