Registration Dossier
Registration Dossier
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EC number: 701-390-1 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Tallow tripropylenetetramine (composition of the oleyl-alkyl chain is specified by Karleskind (1996)) is an alkyl polypropylene polyamine. Only one valid ready biodegradability test result for alkyl polypropylenepolyamines is available because these substances are very toxic to microorganisms. Nevertheless all aspects important to show non persistence of oleyl tripropylenetetramine are available i.e. 1) ultimate (complete) biodegradation (demonstrated in (S)CAS tests and through read across) 2) high rates of degradation (through read across with coco dipropylenetriamine) and 3) occurrence of competent microorganisms in unacclimated ecosystems (through read across with coco dipropylenetriamine) are fulfilled. Tallowltripropylenetetrariamine is at present viewed as not persistent.
Table Summary of degradation rate constants in various (eco)systems based the ready biodegradability of alkyl dipropylene triamines.
(Eco)system |
Method |
|
Surface water (fresh) |
TGD default value |
30 days half-life |
Surface water (fresh) sediment |
TGD default value |
3000 days half-life |
Marine water |
TGD default value |
50 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 |
>99.8% 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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