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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

A Respiration Inhibition Test with activated sludge according to OECD guideline 209 was performed with the test item. The test was carried out for a period of 3 hours under static conditions with the nominal limit concentration of 1000 mg/L. The mean respiration rate of activated sludge treated with the test item differed from the mean respiration rate of the control by 11 %. Therefore, the test item had no toxic effects on respiration activity of activated sludge: NOEC > 1000 mg/L.

The test of the positive control 3,5-dichlorophenol (EC50 = 2.6 mg/L) confirmed the validity of the study (EC50 within the range 2 – 25 mg/L).

Key value for chemical safety assessment

Additional information