Registration Dossier
Registration Dossier
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EC number: 241-629-2 | CAS number: 17647-86-8
Endpoint summary
Administrative data
Description of key information
Additional information
Short term toxicity to fish
A short-term toxicity test to fish was performed according to OECD guideline 203. Juvenile Zebrafish (Danio rerio) were exposed in a semi-static test for 96 hours to a limit concentration of nominal 127 mg test item/L (corresponding to 120 mg/L of the main constituent of the test item). All fish survived until the end of the experiment. Thus, the obtained LC50 is > 120 mg/L (BASF 2014, 17F0456/01X072).
Short term toxicity to aquatic invertebrates
A Daphnia (daphnia magna) Acute Immobilization Test (48 hours) was performed similarly to OECD 202 guideline with the test substance using the following concentrations: 0, 62.5, 125, 250, and 500 mg/L. Under the test conditions the EC50 value (48 h, immobilization) obtained was > 500 mg/L (BASF 1989).
Toxicity to algae
Toxicity to aquatic algae was assessed according to OECD guideline 201 with the test substance in concentrations of 3.9, 7.8, 15.625, 31.25, 62.5, 125, 250, and 500 mg/L and revealed an EC50 (72 h) of 170 mg/L (BASF, 1990(study)_1995(report))
Toxicity to microorganisms
The influence of the test substance on the growth of microorganisms (Pseudomonas putida, strain DSM 5002) was investigated after a contact time of 17 minutes at the following concentrations: 156.25, 312.5, 625, 1250, 2500, 5000, 7500, 10000 mg/L (nominal) .The results were compared to the controls. Under the conditions of this test, the substance revealed an EC50 of 518 mg/L (BASF, 1988(study)_1995(report)).
In the short term-toxicity studies with fish and daphnia no effects of the test substance were observed up to the highest concentration tested. The algae toxicity test showed effects of the test substance in the algae in the tested concentration range. Therefore, the revealed EC50 of 170 mg/L was considered as the most sensitive endpoint and used as key value for the risk assessment.
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