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Toxicity to soil macroorganisms except arthropods

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Description of key information

NOEC (56 d) = 750 mg a.i./kg soil dw  for Eisenia fetida 

Key value for chemical safety assessment

Long-term EC10, LC10 or NOEC for soil macroorganisms:
750 mg/kg soil dw

Additional information

Since no studies on toxicity to soil organisms are available for AES (C12 -14, 1 -2.5EO) Mg (CAS 160104 -51 -8) a read-across approach from a comparable AES (C12 -14, 2EO) Na (CAS 68891 -38-3) was applied.

In this test individuals of Eisenia fetida were exposed to different test concentrations of AES (C12 -14, 2EO) Na (CAS 68891-38-3). The study was performed according to OECD guideline 222 and in compliance with GLP requirements. The NOEC (56 d) for body weight change and reproduction was determined as 750 mg a.i./kg soil dry weight. Up to the highest test concentration (750 mg a.i./kg soil dry weight) no mortality was observed (BASF, 2012).