Registration Dossier
Registration Dossier
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EC number: 272-745-1 | CAS number: 68910-55-4
Biodegradation in water and sediment: simulation tests
Administrative data
Link to relevant study record(s)
Description of key information
In accordance with REACH Annex XI, Section 2, testing of the transformation of organolignite in aquatic sediment systems is technically infeasible and therefore this testing is waived.
Key value for chemical safety assessment
Additional information
In accordance with REACH Annex XI, Section 2, testing of the transformation of organolignite in aquatic sediment systems is technically infeasible and therefore this testing is waived. Organolignite is a UVCB consisting of multiple components with different physical/chemical (e.g., water solubility) and environmental fate properties. Organolignite cannot be dissolved into a homogenous solution, and radiolabeling of organolignite is technically infeasible. In addition, the use of Total Organic Carbon (TOC) as an analytical method for organolignite lacks sufficient specificity, making analytical identification and quantification not technically possible. Experimental data for biodegradation in water is available. Simulation testing for biodegradation in water/sediment systems is waived, however, based on the reasons discussed.
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