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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

Microbial toxicity of OS1600 was derived from an available ready biodegradation test. In this test, ready biodegradability was tested by monitoring CO2 evolution. Both a positive control and a toxicity control were included in the test setup. In the toxicity control OS1600 was added at a concentration of 21.5 mg/L. Validity criteria of the test were fulfilled. Since in the toxicity control more than 25% degradation occurred within 14 days (32 % based on ThCO2) it can be considered that the test substance does not inhibit microbial activity. 

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
21.5 mg/L

Additional information