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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

The LC50 value in Eisenia foetida according to OECD 207 was greater than 3000 mg/kg dry weight (Solvias AG., 1999). However, only a summary of this investigation is currently available.

Nevertheless, the study is supported by the test on the similar substance of the Stilbene Fluorescent Whitening Agents: the analogous dihydroxyethyl derivative disulphonated sodium salt CAS 4193-55-9, 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. Toxicity to soil microorganisms is not expected.