Registration Dossier
Registration Dossier
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EC number: 600-687-2 | CAS number: 105839-18-7
Endpoint summary
Administrative data
Description of key information
Additional information
Data on stability in the environment are not available. Hydrolysis testing is not considered to be technically feasible or appropriate for this UVCB substance. Currently, no analytical method exists for accurate quantification of this substance. As hydrolysis testing requires analytical methods with high levels of sensitivity and accuracy, it is not feasible to conduct testing for this endpoint.
The percentage biodegradation of MonoFA_TETA_PAA_BADGE_BGE_Adduct reached a maximum of 5% over the course of the 28 day incubation and therefore failed to meet the requirements for ready biodegradability. Thus it cannot be classified as readily biodegradable.
As the substance is not used under conditions with potential exposure to water, sediment or soil and due to its very low vapour pressure, making indirect deposition via air unlikely and negligible, further tests on degradation in sediment or soil are not required.
In accordance with column 2 of REACH Annex IX, the aquatic bioaccumulation study (required in section 9.3.2) does not need to be conducted as the substance has a log Kow (log Kow of 2.21) and due to its molecular size is unlikely to significantly cross biological membranes to bioaccumulate in fish.
Based on the physicochemical properties of the substance (log POW of 2.21) a low to moderate potential for adsorption to sediment and soil is expected. However, based on the LogPOW a KOC value was calculated according to Sbljic and Güsten, 1995, using the model for Amides (logKOC = 0.33 * log KOW + 1.25), resulting in a KOC of 95.3 (logKOC = 1.98), indicative of low to moderate absorption to soil.
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