Registration Dossier
Registration Dossier
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EC number: 942-764-6 | CAS number: -
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Toxicity of the substance to Pseudokirchneriella subcapitata in an Algal Growth Inhibition Test.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 2.6 mg/L
- EC10 or NOEC for freshwater algae:
- 1 mg/L
Additional information
The effect of the test item on the growth of Pseudokirchneriella subcapitata has been investigated over a 72-Hour period and gave the following results:
The EC10 (growth rate) was 0.9 mg/L.
The EC20 (growth rate) was 1.3 mg/L.
The EC50 (growth rate) was 2.6 mg/L. with 95 % confidence limits of 2.1 - 3.3 mg/L.
The NOEC (growth rate) was 1.0 mg/L and the LOEC (growth rate) was 3.2 mg/L.
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