Registration Dossier
Registration Dossier
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EC number: 664-492-4 | CAS number: 742087-49-6
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Aquatic toxicity in algae 72 hours
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 52.9 mg/L
- EC10 or NOEC for freshwater algae:
- 29 mg/L
Additional information
72hour growth inhibition (chronic) test using freshwater unicellular green alga (Selenastrum capricomutum (Raphidocellus subcapitata)
Method : USEPAS OPPTS 840.5400 and USEPA Method 1003.0
Non deviation . USEPA prepared without EDTA.
Temperature: 25 +/- 1 ºC
Test vessels 20 ml
4 replicates
Initial cell density was 10.000 cells/ml determined by haemocytometer counts.
Cells densities were enumerated at 72 hours , and vessels were shaken by hand 2 times per day.
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