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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Sediment toxicity

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Administrative data

Link to relevant study record(s)

Description of key information

The 28-day EC15 and the 28-day EC50 for the development rate of males and females and for the arcsin-transformed emergence rate of pooled sexes are >1000 mg/kg dry sediment.

The overall 28-day NOEC of Chimexane HB in this sediment spiked study is 1000 mg/kg dry sediment, the highest tested dose.

Key value for chemical safety assessment

EC10, LC10 or NOEC for freshwater sediment:
1 000 mg/kg sediment dw

Additional information

One reliable study is available for toxicity to sediment-dwelling organisms of CHIMEXANE HB. The study is classified as reliable without restrictions. The test was performed according to the OECD 218 guideline.

Under the conditions of this study, the 28d-NOEC was determined to be1000 mg/kg dry sediment based on the emergence ratio and the development rate.