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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The estimated bioconcentration factor (BCF) for Thiosemicarbazide, is 3.162 L/kg, that does not exceed the bioconcentration threshold of 2000. Thus it is concluded that Thiosemicarbazide,is not expected to bioaccumulate in the food chain.

In the supporting study, BCF factor was found to be < 3.8 - 4.2 at concentration of 0.4mg/L and <39 L/kg at concentration 0.04 mg/L in Cyprinus carpio during a 6 week exposure.