Registration Dossier
Registration Dossier
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EC number: 238-405-1 | CAS number: 14433-76-2
Endpoint summary
Administrative data
Description of key information
Additional information
Biodegradation in water:
The test substance itself (short name FADMA C10) has not been tested in the standard OECD 301 screening tests for biodegradation in water.
However, OECD 301-results are available for a 50:50 mixture of FADMA C8 and FADMA C10, demonstrating > 60 % ultimate biodegradation [28 d], as well as for FADMA C12 showing to be readily biodegradable in OECD 301 B, exhibiting 86 % ultimate biodegradation in 28 days and fulfilling the 10d window.
Reading this result across, the registered substance is considered as being readily biodegradable according to the OECD test guideline 301B.
Information derived from simulation tests: The removal rate of the substance was determined under WWTP simulation conditions in the OECD 303A test. The substance exhibited a removal rate of 99.74 % (based on substance specific analysis).
The substance is very effectively removed from waste water by biodegradation. Under the condition of the CAS test the substance has a half life (DT50) of 0.0298 [d], i.e. the biodegradation rate is 23.25 [6 hours] resp. 93 [d].
Biodegradation in soil:
In two GLP studies (according to EPA 540/9-82-021, Subdivision N, Section 162-1 and German BBA guideline Part IV, 4-1) the test substance was mineralized to C02 in four soils to >70% of the applied radioactivity after 4 days.
Depending on the type of soil, the DT-50 values were in the range of 0.02 to 0.27 days, i.e. 0.5 to approx 6.5 hours.
Only two metabolites reached levels above 10% of the applied radioactivity. Their maximum value was at the first day and amounted to < 2 % after day 4.
For risk assessment purposes, the worst case of 6.5h was used. This corresponds to a biodegradation rate of 2.56 [per day].
Biodegradation in sediment:
As the substance is readily biodegradable in water, simulation testing on ultimate degradation in surface water and sediment simulation testing does not need to be conducted according to the REACH regulation Annex IX (9.2.1.4 and 9.2.1.2).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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