Registration Dossier
Registration Dossier
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EC number: 696-616-8 | CAS number: 1268344-02-0
Endpoint summary
Administrative data
Description of key information
Additional information
Biotic degradation
Two ready biodegradability test results are available for Ethanol, 2,2’-[[3-[2-hydroxyethyl]amino]propyl]iminobis-, N-(coco alkyl) derivatives and ethanol, 2,2’-[[3-[2-hydroxyethyl]amino]propyl]-iminobis-, N-(hydrogenated tallow alkyl) derivatives. The biodegradation percentages reached at day 28 in Closed Bottle test, and Sturm test were 61 and 63. ethanol, 2,2’-[[3-[2-hydroxyethyl]amino]propyl]iminobis-, N-alkyl derivatives should therefore be classified as readily biodegradable.
The Table below summarizes half-lives derived through default values and a simulation study.
Table Summary of degradation rate constants in various (eco) systems based the ready biodegradability of primary fatty amine ethoxylates.
(Eco) system |
Method |
Result |
|
||
Surface water (fresh) |
TGD default value |
15 days half-life |
|||
Surface water (fresh) sediment |
TGD default value |
30000 days half-lifea |
|||
Marine water |
TGD default value |
50 days half-life |
|||
Marine water sediment |
TGD default value |
30000 days half-lifea |
|||
Soils |
TGD default value |
30000 days half-lifea |
|||
Degradation in sewage treatment plants |
Determined in bioreactors |
>99.97% 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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