Registration Dossier
Registration Dossier
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EC number: 810-288-7 | CAS number: 1700656-13-8
Endpoint summary
Administrative data
Description of key information
Toxicity to soil macroorganisms
Under the conditions of this study, the test item did not induce significant mortality, pathological symptoms or changes of the behaviour of adult earthworms after 28 days of exposure in all tested concentrations. The adult earthworm biomass increased in the control and in all application rates. Thereby, statistically significant differences were observed for the treatments 100 mg/kg SDW and above. After eight weeks of exposure the earthworm reproduction was statistically significantly reduced at the test item concentrations 46 mg/kg SDW and above.
Overall, the NOEC of the test item concerning mortality, biomass and reproduction was determined to be 22 mg/ kg SDW. The EC50-value for reproduction was determined to be 76.9 mg/kg SDW. The EC50-value for biomass was not determined since no significant effects ≥ 50 % occurred.
Toxicity to terrestrial arthropods
Waiving according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations)
Studies on soil macroorganisms (OECD 222) and soil microorganisms (OECD 216) are available
Toxicity to terrestrial plants
Waiving according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations)
Studies on soil macroorganisms (OECD 222) and soil microorganisms (OECD 216) are available
Toxicity to soil microorganisms
The effects of the test item on the metabolic activity of the nitrogen-N (nitrate) formation rate were measured on the day of treatment (day 0) and subsequently after 7, 14 and 28 days.
Antimussol ZJ did not inhibit microbial nitrate formation rates at concentrations of 500 and 1000 mg/kg soil dry weight, throughout 28 days of exposure. On day 7 the nitrate-N formation rate was significantly stimulated in both test item concentrations. On Day 28 no inhibition nor stimulation (differences ≥ 25 %) of the nitrogen-N nitrate formation rate was observed and thus Antimussol ZJ is not expected to cause any long term detrimental effects on nitrate transformation in soil under normal conditions.
Additional information
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