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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

Key Value has been selected from Seeland publication representing a clearly more sensitive species of daphnids (D. galeata, non-standard test organism) in freshwater.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Dose descriptor:
Effect concentration:
15.8 mg/L

Additional information

Four freshwater studies with invertebrates (3 studies with D. magna, 1 study with D. galeata) are available. While the three studies with D. magna show an EC50 (48h) of about 100 mg/L, an EC50 (48h) of 15.8 mg/L with D. galeata has been observed. The difference in the sensitivity of the species is mostly likely due to the smaller size of D. galeata.

Although the publication shows some deficiencies in reporting, the publication is selected for the chemical safety assessment as it also was performed according to the OECD 202 test guideline and the parallel test with D. magna showed an analogue effect value like the studies from the GLP laboratories indicating a comparable quality standard of the laboratories.