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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

Data from an acute semi-static fish test provided an LC50 values of 0.105 mg/L based on dissolved aluminium. This value will be used for any further assessment.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
0.105 mg/L

Additional information

Data from an acute semi-static fish test provided an LC50 values of 0.105 mg/L based on dissolved aluminium. This value will be used for any further assessment

The toxicity of nitrate (NO3) toPimephales promelaswas assessed in three 96-hour acute toxicity tests. The lowest 96-hour LC50 from three acute tests was 1010 mg/L NO3-N. This equates to an LC50 for nitrate of 4472 mg/L NO3.

It can be concluded that the aluminium ion is the most toxic component of aluminium nitrate and therefore the LC50of 0.105 mg Al/L obtained from the semi-static study will be used for any further assessment.