Registration Dossier
Registration Dossier
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EC number: 701-026-1 | CAS number: -
Biodegradation in soil
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in soil: simulation testing
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
- Transformation products:
- no
Reference
Description of key information
According to REACH Annex IX, column 2, item 9.2, "Further degradation testing shall be proposed by the registrant if the chemical safety assessment according to Annex I indicates the need to investigate further the degradation of the substance." Furthermore, waiving may be considered "if the substance is readily biodegradable, or if direct and indirect exposure of soil is unlikely". Nevertheless, for an inorganic substance like non-graphitic carbon fibre biotic degradation in the environment is an irrelevant process. In this case, the chemical safety assessment is based on the elemental concentration. Biotic processes may alter the speciation of an element, but it will not eliminate the element from the environment by degradation or transformation processes.
Key value for chemical safety assessment
Additional information
Non-graphitic carbon fibres within the scope of this registration are regarded as inorganic and not expected to be degradable, neither by biological nor by abiotic mechanisms. Additionally, the chemically inert substance has a macromolecular size which makes crossing biological membranes unlikely.
Extracorporeal metabolism is unlikely with respect to the substance's molecular structure consisting of highly condensed carbon atoms in ring structures. Biodegradation is therefore of no relevance.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
