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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

Comparison of the Susceptibility of 11 Freshwater Species to 8 Chemical Compounds. 

Key value for chemical safety assessment

Long-term EC10, LC10 or NOEC for soil dwelling arthropods:
100 mg/kg soil dw

Additional information

Culex pipiens were exposed to sodium bromide in test waters for 25 days in a semi-static toxicity test. Observations of mortality and development were used to determine the LOEC and NOEC values. The 25 day NOEC was found to be 100 mg/L sodium bromide based on both of the observation criteria, mortality and development.