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EC number: 931-335-9
CAS number: 90622-74-5
A study was performed to assess the
ready biodegradability of the test substance, C12-18 and C18-unsatd.
DEA, according to OECD Guideline 301D (Closed bottle test), in
compliance with GLP. The test substance at 2 and 5 mg/L was incubated
with sludge from a domestic wastewater treatment plant and O2
consumption was followed over a period of 28 d. A total of 84% O2
consumption was obtained at 2 mg/L and the plateau for ready
biodegradability was reached within 14 d, at which point there was 10%
degradation. At 5 mg/mL, 71% O2 consumption was obtained, although there
was insufficient O2 left in the flask at the end of the test. Under the
study conditions, the test substance was considered to be readily
biodegradable (Werner, 1996).
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