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Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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Description of key information

LC50 (14 d) > 5000 mg/kg soil dw

Key value for chemical safety assessment

Short-term EC50 or LC50 for soil macroorganisms:
5 000 mg/kg soil dw

Additional information

A study is available to assess the acute toxicity of the substance to terrestrial macroorganisms. The LC50 value in Eisenia foetida according to OECD 207 was greater than 5000 mg/kg dry weight (Solvias AG., 1999). The reliability is low because just the summary is actually available.

Nevertheless the study is supported by the test on the similar substance of the Stilbene Fluorescent Whitening Agents: the analogous dihydroxyethyl derivative tetrasulphonated sodium salt CAS 16470-24-9, for which also a summary for the same test is available (Solvias AG., 1999). Detailed justification for Read Across can be found within the endpoint. No concern for soil toxicity is then arisen by the presented acute studies.