Registration Dossier
Registration Dossier
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EC number: 479-930-8 | CAS number: 613222-52-9
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
- Endpoint:
- long-term toxicity to aquatic invertebrates
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
Reference
Description of key information
In Annex IX of Regulation (EC) No 1907/2006, it is laid down that long-term toxicity testing in daphnia shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on daphnia. Safe use was shown in the CSR for all uses and environmental compartments. In addition, it is not expected from the nature of the substance that long-term effects will lead to more severe effects as compared with the acute results. In a biodegradation study (MITI, 2011), the test substance Sika Hardener LH was completely hydrolyzed to 2,2-dimethyl-3-oxopropyl dodecanoate and hexamethylenediamine. These converted products were biodegraded. The percentage (average) of biodegradation by BOD was 91 % after 28 days. Therefore, the test substance is considered to be readily biodegradable. In addition, the very low water solubility of SIKA Hardener LH will not lead to a high exposure of the aquatic compartment. Therefore and for reasons of animal welfare a long-term toxicity testing in daphnia is not provided.
Key value for chemical safety assessment
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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