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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

EC50 (72-h): >15 ng/l growth rate Pseudokirchneriella subcapitata, reliability 1 (Wildlife International Ltd., 2012).

NOEC: ≥15 ng/l growth rate Pseudokirchneriella subcapitata, reliability 1 (Wildlife International Ltd., 2012).

Key value for chemical safety assessment

Additional information

A 72-hour EC50 value of >15 ng/l and NOEC of ≥15 ng/l have been determined for the effects of the read-across substance, 3,3-bis[(dimethylvinylsilyl)oxy]-1,1,5,5-tetramethyl-1,5-divinyltrisiloxane (CAS 60111-54 -8) on growth rate of Pseudokirchneriella subcapitata. The test substance has a water solubility of <10 ng/l and therefore the results indicate that it is not toxic at its solubility limit.