Registration Dossier
Registration Dossier
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EC number: 223-829-1 | CAS number: 4090-51-1
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential to cause toxic effects if accumulated (in higher organisms) via the food chain
Additional information
Reliable aquatic toxicity tests (all reliability category 1) are available for freshwater algae (Scenedesmus subspicatus), freshwater invertebrates (Daphnia magna, acute and long-term), freshwater fish (zebra fish, acute) and sewage treatment plant microorganisms (activated sludge respiration inhibition test, 3 hours). In all these tests, nominal limit concentrations far above the actual water solubility of the submission substance were used (77 or 1000 mg/L). However, no signs of toxicity were observed in any of these tests. Thus, the submission substance was demonstrated to be non-toxic to freshwater organisms at water saturation level.
Thus, judging from these results terrestrial toxicity of the submission substance is unlikely. To ascertain this and in line with REACH guidance R.7c, chapter R.7.11.5, a possible chronic toxicity of the submission substance on earthworm reproduction was assessed. In the reliable (reliability category 1) test performed compliant to GLP no statistically significant effects on mortality, biomass or reproduction of Eisenia fetida were observed up to the highest tested concentration. Thus, the NOEC (56 d; mortality, biomass, reproduction) was determined to be larger or equal to 1000 mg/kg soil dw. In conclusion, taking together nontoxic properties of the submission substance towards aquatic (micro)organisms as well as soil macroorganisms (chronic test), toxicity of the submission substance towards terrestrial organisms can safely be precluded.
Conclusion on classification
As no toxicity for any tested species of algae, aquatic invertebrates, fish, microorganisms, and soil organisms (Eisenia fetida) could be found, no environmental classification is proposed.
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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