Registration Dossier
Registration Dossier
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EC number: 212-039-2 | CAS number: 753-73-1
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Key study: Hanstveit (2003): dichlorodimethylstannane is considered not ready biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The biodegradability of dichlorodimethylstannane was determined in line with OECD Guideline 301F using oxygen consumption as test criterion in a 35 day test. The test substance was added to the test medium by means of a stock solution in ultrapure water. One concentration of 111 mg/l was tested, corresponding to a ThODNH3of 56.6 mg O2/l. An inoculum was prepared from activated sludge taken from an oxidation ditch used to treat domestic sewage.
The test was extended to 35 days, because the plateau phase had not been reached after 28 days of incubation. Dichlorodimethylstannane was not degraded. The 60% degradation criterion was not met and therefore it was considered not readily biodegradable in this test.
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