Registration Dossier
Registration Dossier
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EC number: 234-448-5 | CAS number: 12004-14-7
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
In a 72 hour acute toxicity study, the cultures of Desmodesmus subspicatus were exposed to Ettringit under static conditions in accordance with the OECD 201 Guideline.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 47.4 mg/L
- EC10 or NOEC for freshwater algae:
- 2.3 mg/L
Additional information
The EC50 based on biomass was 4.8 mg/l.
No abnormalities were noted.
The study is classified as acceptable and satisfies the guideline requirements for algae toxicity study.
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