Registration Dossier
Registration Dossier
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EC number: 423-340-5 | CAS number: 162881-26-7 CGI 819
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
The test substance can be classified as non-toxic to fish up to the limit of its solubility, namely 0.0008 mg/L.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 0.09 mg/L
Additional information
The acute toxicity to zebra fish was determined in a 96-hour semi-static test with daily test medium renewal. The substance was tested over a range of concentrations achieved by dilution from a supersaturated stock solution. Analysis showed that, at the highest dose level, the maximum concentration achieved was 0.172 mg/L, and the mean measured concentration was 0.09 mg/L. The NOEC is based on this mean measured concentration. The solubility of the substance in the test water was determined to be 0.0008 mg/L. The test was performed under light protection to prevent loss by photo-degradation. No toxic effects were observed in any of the test or control replicated. Care should be exercised in the interpretation of these data, since the substance was tested at levels above the water solubility. In the control and all test concentrations, all fish survived until the end of the test and no signs of intoxication were observed. Therefore, the substance can be classified as non-toxic to fish up the limit of its solubility, namely 0.0008 mg/L.
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