Registration Dossier
Registration Dossier
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EC number: 215-609-9 | CAS number: 1333-86-4
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:
- Justification for type of information:
- According to Annex IX & X, Column 2 of Regulation (EC) 1907/2006, Section 9.2 " Further biotic 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 and its degradation products. The choice of the appropriate test(s) depends on the results of the chemical safety assessment and may include simulation testing in appropriate media (e.g. water, sediment or soil)." Degradation/biodegradation testing is not relevant for inorganic substances that are not (bio)degradable, including carbon black non nanoforms. Thus, in accordance with Column 2 of Regulation (EC) 1907/2006, Section 9.2, testing of carbon black does not appear to be scientifically necessary because the substance is inorganic. As an inorganic substance with the chemical structure "C", bulk of carbon black which essentially are carbon in its elemental state, cannot be used as a carbon source and will not be biodegraded by microorganisms. The generally accepted guidelines for the examination of the biodegradability of substances (i.e., OECD- and EU-guidelines) can be used only for organic substances. (Bio)degradation testing has no meaning for inorganic substances, including inorganic materials. A biodegradation study is not scientifically justified. In addition, carbon black is highly insoluble in water.
- Transformation products:
- no
Reference
Description of key information
As an inorganic substance with the chemical structure "C", carbon black cannot be used as a carbon source and will not be biodegraded by microorganisms. The generally accepted guidelines for the examination of the biodegradability of substances (i.e., OECD- and EU-guidelines) can be used only for organic substances. A biodegradation study is not scientifically justified
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.
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.
