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Ecotoxicological information

Long-term toxicity to fish

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Link to relevant study record(s)

Description of key information

Study does not need to be conducted due to the availability of other information

Key value for chemical safety assessment

Additional information

In Annex IX of Regulation (EC) No 1907/2006, it is laid down that chronic toxicity tests shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on fish. 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 is assessed to be a PBT or vPvB. The hazard assessment of cylcohexanone and cyclohexanol reveals neither a need to classify the substance as dangerous to the environment, nor is it a PBT or vPvB substance. Moreover, based on the information on short-term aquatic toxicity and the available long-term studies with invertebrates and green algae as well taking into account the known non-specific mode of action, there are no further indications that the substance may be chronic hazardous to the environment. Therefore, and for reasons of animal welfare, a long-term toxicity study in fish is not provided.

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