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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

Additional information

ZK 5189 did not show a mutagenic potential in a bacterial reverse mutation assay ( Ames test in 5 strains of S. typhimurium: TA98, TA100, TA102, TA1535 and TA1537) when tested up to the highest recommended dose level of 5.0 mg/plate in the absense or presense of extrinsic metabolic activation (liver S9 mix from Aroclor 1254 -treated rats). [Schering AG, Report No. AL93; 1996-05-30]


Short description of key information:
Gene mutation (bacterial reverse mutation assay / Ames test, GLP, OECD TG471): negative with and without metabolic activation
[Schering AG, Report No. AL93; 1996-05-30]

Endpoint Conclusion: No adverse effect observed (negative)

Justification for classification or non-classification

Since there is no genotoxic potential in vitro (Ames test) no classification is required according to Directive 67/548/EEC and Regulation (EC) 1272/2008 (CLP).