Registration Dossier
Registration Dossier
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EC number: 456-990-3 | CAS number: 244761-29-3 LITHIUM-BIS(OXALATO)BORATE
Endpoint summary
Administrative data
Description of key information
Additional information
Stability
Upon contact with water lithium bis(oxalato)borate hydrolyses spontaneously. The detected degradation product boric acid was identified with 11B-NMR. The half live of LiBOB was 169 min at 25 °c and decreased with increasing temperature.
Biodegradation
The screening test on biodegradation in water (closed bottle test) revealed a ready biodegradation for lithium bis(oxalato)borate. At least 60 % degradation was reached within the 10 days immediately following the attainment of 10 % biodegradation (10-day window). Except for a deviating difference of duplicate values of the reference substance at the end of the test (24 %), which was considered not to have affected the integrity of this study, all criteria for acceptability of the test were met. Therefore, this study was considered to be valid.
Transport and distribution
In accordance with column 2 of REACH Annex VIII, section 9.3.1, a study on adsorption and desorption does not need to be conducted, as the physico-chemical properties of the test substance indicate a low adsorption potential. LiBOB has a log Pow of -4.8. Nevertheless a study has been conducted with lithium bis(oxalato)borate, which resulted in a log Koc of 1.25 (at 26 °C), showing that the test substance is not likely to absorb particles and soil.
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