Registration Dossier
Registration Dossier
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EC number: 700-958-6 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Not readily biodegradable according to OECD criteria.
Key value for chemical safety assessment
Additional information
Two studies on biodegradation of the test item in water are available.
RCC Notox BV (1993; according to OECD 301B)
Ready biodegradability of the test item was studied using activated sludge as inoculum. The biodegradation of 10 and 20 mg/L was investigated. After 28 days a biodegradation of 6.4 % and 4.1 %, respectively, was observed for the test item. The reference item demonstrated the appropriate response. Based on this result the test item is not readily biodegradable.
RCC Umweltchemie AG (1994; according to OECD 302C)
Inherent biodegradability of the test item was studied using activated sludges. The biodegradation of 30 mg/L was investigated. After 28 days an oxygen consumption of 0 % was observed for the test item, whereas the reference item demonstrated the appropriate response. Aniline was degraded by an average of 79.3, 83.5 and 83.5 % after 7, 14 and 27 days, respectively. The test item was found to be nondegradable under the test conditions over 28 days of exposure. Furthermore, the test item showed no inhibitory effect on microorganisms.
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