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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Description of key information

No experimental data available.

Key value for chemical safety assessment

Additional information

In Annex IX Section 9.1.5 column 2 of Regulation (EC) No 1907/2006, it is laid down that long-term toxicity testing on aquatic invertebrates shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on invertebrates. According to Annex I of this regulation, the chemical safety assessment triggers further action when the substance or the preparation meets the criteria for classification as dangerous according to Directive 67/548/EEC or Directive 1999/45/EC or CLP-Regulation (EC) No 1272/2008 or is assessed to be a PBT or vPvB.  The hazard assessment of the substance reveals that the substance is not a PBT, nor a vPvB substance. In Annex XI Section 3, it is laid down that testing in accordance with sections 8.6 and 8.7 of Annex VIII and in accordance with Annex IX may be omitted, based on the exposure scenario(s) developed in the Chemical Safety Report. In accordance with Annex XI Section 3, it can be demonstrated in the risk assessment that the manufacture and the intermediate use of the substance do not pose an unacceptable risk for all environmental compartments as the risk characterization ratios (RCRs) of the chemical safety assessment are below 1 for all compartments (see Chemical Safety Report Ch. 10). Therefore, a long-term toxicity test on aquatic invertebrates is not provided.

In addition, the acute-to-chronic ratio (ACR) as determined following the ECETOC Technical Report No. 93 (Aquatic Hazard Assessment II; ECETOC, 2003) shows that a long-term NOEC for daphnids of > 1 mg/L is to be expected.


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