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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

The EU RAR reviews and summarises the available data on short-term toxicity to aquatic invertebrates. The reported EC50 values for Daphnia sp. range from 97-352 mg/L and are based on nominal concentrations; EC50 values of 10.5 -39 mg/L are reported for marine invertebrates. The ICD summarises the available data on the short-term toxicity of sodium fluoride to aquatic invertebrates and reports EC50 values of 109 -340 mg/L; EC50 values of 30 -500 mg/L are reported for marine invertebrates.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
26 mg/L
EC50/LC50 for marine water invertebrates:
10.5 mg/L

Additional information

No studies are available for calcium fluoride, however a number of non-guideline studies performed with sodium fluoride are available.

Camargo & Tarazona (1991) report that benthic larvae are sensitive to the concentration of fluoride, with EC50 values ranging from 26 -48 mg/L (actual concentration); however the study was performed in soft water. The EU RAR reviews and summarises the available data on short-term toxicity to aquatic invertebrates. The reported EC50 values for Daphnia sp. range from 97-352 mg/L and are based on nominal concentrations; EC50 values of 10.5 -39 mg/L are reported for marine invertebrates. The ICD summarises the available data on the short-term toxicity of sodium fluoride to aquatic invertebrates and reports EC50 values of 109 -340 mg/L; EC50 values of 30 -500 mg/L are reported for marine invertebrates.