Registration Dossier
Registration Dossier
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EC number: 273-282-8 | CAS number: 68955-56-6
Endpoint summary
Administrative data
Description of key information
Additional information
No ready biodegradability test results are available for Amines C36-alkylenedi- . Ready biodegradability test are developed for water soluble, non toxic substances. Amines C36-alkylenedi- is a water-insoluble toxic substance. With acclimatized sludge biodegradation percentages of >60 were found twice. The results were not reproducible which is also attributed to toxicity and poor-water solubility of amines C36-alkylenedi- . The tests showing >60% biodegradation do prove that amines C36-alkylenedi- is inherently and ultimately biodegradable. A CAS test simulating the behavior amines C36-alkylenedi- in biological treatment plants did unambiguously prove with 74.4% removal via biodegradation that amines C36-alkylenedi- is biodegradable.
Table Summary of degradation rate constants of the parent compound, amines C36-alkylenedi- hydrogenatedin various (eco)systems.
(Eco)system |
Method |
|
Surface water (fresh) |
TGD default value |
150 days half-life |
Surface water (fresh) sediment |
TGD default value |
3000 days half-life |
Marine water |
TGD default value |
1500 days half-life |
Marine water sediment |
TGD default value |
30000 days half-life |
Soils |
TGD default value |
30000 days half-lifea |
Degradation in sewage treatment plants |
Determined in bioreactors |
99.27% removal primarily by biodegradation |
aHalf-life of the fraction dissolved in the water phase is expected to in the order of a few days.
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