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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Study was conducted according to OECD guideline 209, data are reliable without restrictions. 

Key value for chemical safety assessment

EC50 for microorganisms:
1 000 mg/L
EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

The toxicity of Silastol H 200 TS on toxicity to microorganisms was tested in a study according to OECD guideline 209.

Activated sludge from a domestic sewage treatment plant was used as inoculum.

At the highest test item concentration 1000 mg/L, no statistically significant inhibition could be observed.

3h NOEC ≥ 1000 mg/L

3h EC20 > 1000 mg/L

3h EC50 > 1000 mg/L