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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

In an OECD 201 algal inhibition test, Benzyl salicylate was found to be acutely toxic to algae: ErC50(72h) = 1.29mg/L, NOEC(72h) = 0.502mg/L

Key value for chemical safety assessment

EC50 for freshwater algae:
1.29 mg/L
EC10 or NOEC for freshwater algae:
0.502 mg/L

Additional information

The preferred observational end point in this study is algal growth rate inhibition because it is not dependent on the test design (ECHA guidance Chapter R.7b v1.1). Thus the 72-h EC50 and NOEC based on growth rate are used for classification purposes.