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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Link to relevant study record(s)

Description of key information

An OECD 201 algal study is available.

Key value for chemical safety assessment

EC50 for freshwater algae:
150 mg/L
EC10 or NOEC for freshwater algae:
74 mg/L

Additional information

The inhibition of growth of the alga,Selenastrum capricornutum, by solutions of the test substance was determined in a 72-hour growth test. The 72 hour EC50 for both growth rate and biomass was > 150 mg/L. The 72-hour NOEC values for both growth rate and biomass were determined to be 73.77 mg/L.