Registration Dossier
Registration Dossier
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EC number: 700-742-1 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Readily biodegradable: 73.2 % / 86 % in 28 days (OECD 301D)
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
No experimental data are available regarding biodegradation for ´Reaction mass of 2,2'-oxydiethanol and 2,2-dimethylpropane-1,3-diol and diallyl 2,2'-oxydiethyl dicarbonate and diallyl carbonate and pentaerythritol´ (EC 906-940-6). This endpoint is fulfilled with an available biodegradation test of 'Reaction mass of bis[2-(2-{[(prop-2-en-1-yloxy) carbonyl]oxy}ethoxy) ethyl] carbonate and diallyl 2,2'-oxydiethyl dicarbonate' (EC 700-483-4). The experiment was conducted according to OECD Guideline 301C by Williams and Heim (1993). The average dissolved organic carbon (DOC) of the test material was 42 %. The average biochemical oxygen demand (BOD) on days 7, 14, 21 and 28 was 5.97, 12.53, 18.03 and 25.93 oxygen/mg. The biodegradability of the test material on day 28 was 43 - 47 %. The BOD of the positive control material (aniline) on days 7, 14, 21 and 28 was 61.4, 69.5, 72.4 and 74.3. The percentage biodegradation (43-47 %) of BOD and the percentage residue (12-19 %) of the test item show that a part of test item was biodegraded by microorganisms.
Additionally data from two adequate closed bottle tests (van Cinkel, 1993; RBM lnstituto di Ricerche Biomediche, 1994) for diallyl 2,2'oxydiethyl dicarbonate (EC 205-528-7) are available. Results of these two OECD guideline studies (OECD 301D) confirm that 'diallyl 2,2'-oxydiethyl dicarbonate' is readily biodegradable. The biodegradability of the test material on day 28 was 86 % and 73.2 %, respectively. For justification of this read-across approach, please refer to the general discussion of environmental fate and pathways.
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