Registration Dossier
Registration Dossier
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EC number: 622-542-2 | CAS number: 3891-98-3
Endpoint summary
Administrative data
Description of key information
The effects of the test substance were assessed on soil micro-organisms (nitrogen transformation, OECD TG 216) and soil macro-organisms (earthworms, OECD TG 222) to establish hazard to soil vitality and function. Both studies were conducted under static conditions and the due to the poor solubility of the test substance it was dissolved in acetone prior to being applied to soil with quartz sand as the second vehicle. Since a solvent was used, it is anticipated the results achieved are more conservative than those that would be obtained without the use of a solvent.
The key value for chemical safety assessment was derived from the OECD TG 222 study (NOEC (reproduction) = 93.8 mg/kg dw soil). The chemical safety assessment concluded safe use for the soil compartment, therefore, assessing toxicity to terrestrial plants was scientifically not necessary considering RCRs < 0.5 and the fact in the aquatic studies on the test substance indicated invertebrates as more sensitive to the test substance than plants (micro-algae). Due to the poor water solubility of the substance and its high adsorptive potential to soil and sediment, the effects on terrestrial plants are not expected due to the lack of bioavailability of the substance.
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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