Registration Dossier
Registration Dossier
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EC number: 215-609-9 | CAS number: 1333-86-4
Biodegradation in water and sediment: simulation tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: sediment simulation testing
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
- Justification for type of information:
- As an inorganic substance with the chemical structure "C", bulk and nanoforms of carbon black (with and without surface treatment) which essentially are carbon in its elemental state, cannot be used as a carbon source and cannot 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. Biodegradation testing has no meaning for inorganic substances, including inorganic (nano)materials. A biodegradation study is not scientifically justified. In addition, carbon black is highly insoluble in water.
- Transformation products:
- no
- Endpoint:
- biodegradation in water: simulation testing on ultimate degradation in surface water
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
- Justification for type of information:
- As an inorganic substance with the chemical structure "C", bulk and nanoforms of carbon black (with and without surface treatment), 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. Biodegradation testing has no meaning for inorganic substances, including inorganic (nano)materials. A biodegradation study is not scientifically justified. In addition, carbon black is highly insoluble in water.
- Transformation products:
- no
Referenceopen allclose all
Description of key information
As an inorganic substance with the chemical structure "C", bulk forms of 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. Biodegradation testing has no meaning for inorganic substances, including inorganic nanomaterials. A biodegradation study is not scientifically justified. In addition, carbon black is highly insoluble in water.
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.
