Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Two valid ready biodegradability test results (GLP main test (key study), non-GLP pre test with 112 days test duration (supporting study)) for etherdiamine C12-14. Etherdiamine C12-14 is extremely toxic to micro-organisms. Etherdiamine C12-14 did not cause a reduction in the endogenous respiration in the presence of 2 mg/L of humic acid in the main test. Etherdiamine C12-14 was biodegraded 9% (based on ThODNO3) at day 28 in the Closed Bottle test. In the prolonged Closed Bottle test (enhanced biodegradability testing) a biodegradation percentage of 41% (based on ThODNO3) was achieved at day 60. Since biodegradation percentages between 20% and 60% were reached within 60 days, this substance should be classified as not persistent. Within a second screening test according to OECD 301D the test was prolonged to 112 days and after 112 days 60% biodegradation (based on ThODNO3, with 2 mg/L humic acid) was observed indicating that the substance is ultimately biodegradable and based on these results not considered to be persistent in the aquatic compartment.
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