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Ecotoxicological information

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The substances in the category are highly insoluble. For uptake by plants and microorganisms, the substance needs to go into solution (interstitial or pore water) before exposure can occur, therefore testing the substances in plants or microorganisms is considered irrelevant. This is not the case for uptake by earthworms and therefore a long-term toxicity study is proposed.

Based on results for biodegradation in water, it is proposed to run the tests on the members of the category with the longest chains:

acetalization product between glucose and C20/22(even numbered)-alcohol and acetalization product between glucose and C16/18(even numbered)-alcohol and to use these tests results for read across for the members of the category. This way, the possible toxicity on macroorganisms will be the worst case scenario for all members of the category including the substance Acetalization product between glucose and C12/18(even numbered)alcohol

According to a read-across strategy, taking into account the survival, growth and reproduction rates of the exposed adult test earthworms, the highest concentration of Acetalization product between glucose and C12/18(even numbered) alcohol without toxic effects on Eisenia fetida (NOEC) after the test period was determined to be at least 1000 mg/kg dry soil. NOEC reproduction on earthworms = 1000 mg/kg dw