Registration Dossier
Registration Dossier
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EC number: 295-714-4 | CAS number: 92128-22-8
Endpoint summary
Administrative data
Description of key information
Additional information
Fatty acids, tall-oil, compds. with N-[3-(dimethylamino)propyl]tall-oil amides is not readily biodegradable with 33 % biodegradation observed in 28 days, but it is inherently biodegradable with 97 % biodegradation also observed in 28 days. No further simulation tests are considered necessary, since 70 % biodegradation observed after 14 days in an MITI (II) Test without obvious lag phase. Therefore it is considered that Fatty acids, tall-oil, compds. with N-[3-(dimethylamino)propyl]tall-oil amides is not persistent in the environment. Meanwhile, it is hydrolytic stable at pH 4 and a half-life of 80-140 h at pH 7 and 9 under elevated temperature of 65 °C and 80 °C was observed. Therefore, Fatty acids, tall-oil, compds. with N-[3-(dimethylamino)propyl]tall-oil amides is expected to be hydrolytically stable under environmentally relevant conditions with half-life of approximately 1 year at pH 7 and 25 °C.
There is no measured data available on aquatic/sediment bioaccumulation of Fatty acids, tall-oil, compds. with N-[3-(dimethylamino) propyl]tall-oil amides. However, according to expert judgment, no bioaccumulation potential of this substance is expected.
Fatty acids, tall-oil, compds. with N-[3-(dimethylamino)propyl]tall-oil amides has a very high adsorption potential in soil/sludge with an adsorption coefficient (log Koc) of 8.2 - 8.5, according to the interpretation from Swann (1993). It is not volatile from aquatic media with an estimated Henry's law constant (HLC) of 7.86*10-3Pa m3/mol at 20 °C, according to the criteria of Thomas (1990).
Based on the physico-chemical properties of Fatty acids, tall-oil, compds. with N-[3-(dimethylamino)propyl]tall-oil amides, its distribution in the environment as a "unit world" was estimated according to the Mackay fugacity model level I. The main target compartment for Fatty acids, tall-oil, compds. with N-[3-(dimethylamino)propyl]tall-oil amides is sediment and soil with 43.67 % and 43.23 %, respectively, followed by water with 13.72 % and suspended sediment with 0.28 %.
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