Registration Dossier
Registration Dossier
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EC number: 255-730-4 | CAS number: 42233-75-0
Endpoint summary
Administrative data
Description of key information
Additional information
Didocosyl sebacate (CAS 42233-75-0) is characterised by a low vapour pressure (< 1.3E-03 Pa at 20 °C), a low water solubility (< 3.22E-04 g/L at 20 °C) and a high log Koc indicating a high adsorption potential to soil and sediment particles (log Koc > 10, MCI method, KOCWIN v2.00).
Didocosyl sebacate is not readily biodegradable (54% CO2 evolution after 28 d, OECD 301B) but regarded as inherently biodegradable, not fulfilling specific criteria (69% O2 evolution after 28 days, OECD 302C). No further studies investigating the biodegradation of the substance in sediment and soil are available. However the results from the ready and inherent biodegradability test show that the half-life for biodegradation is below the persistence criteria of Regulation (EC) No. 1907/2006. Therefore, didocosyl sebacate (CAS 42233-75-0) is regarded as potentially persistent in the environment. Abiotic degradation via hydrolysis is considered relevant as the substance poorly soluble in water. Moreover, the substance is not volatile and thus evaporation to the air and subsequent transport through the atmosphere to other environmental compartments is unlikely. Based on a dietary bioaccumulation study following OECD 305, Didocosyl sebacate is not bioaccumulative (BMF KgL = 0.0427).
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