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Long-term toxicity to aquatic invertebrates

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Description of key information

Study not needing according to Column 2 of REACH annex IX: the chemical safety assessment according to Annex I indicates no need to investigate further the effects on aquatic organisms

Key value for chemical safety assessment

Additional information

According to Annex XI par. 3 and to Column 2 of REACH annex IX the test can be omitted based on the result of the chemical safety assessement.

According to the equilibrium partitioning Fugacity model III, the water % is 23.2% , then the water compartment is not the preferred one for the substance.

The water solubility is really low, under 0.28% and the acute tests indicate toxicity values only for very high concentrations. (100.000 mg/L).

The substance has a water primary biodegradation of less than 2 days and a DT50 in fresh water of 5-7 days. A long term test is not justified because of the biodegradation rate in environmental conditions.

It is assumed that water exposure will not occur because the exposure scenarios is focused only on industrial application where all waste, when present, is sent to STP. (See annex in the "Long term toxicity to fish" end point summary)