Registration Dossier
Registration Dossier
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EC number: 813-130-5 | CAS number: 4039-86-5
Endpoint summary
Administrative data
Description of key information
Additional information
Adsorption/desorption
In accordance with column 2 of REACH Regulation (EC) No 1907/2006, Annex VIII, Section 9.3.1, no study on adsorption/desorption needs to be conducted, if the substance and its relevant degradation products decompose rapidly or based on the physicochemical properties the substance can be expected to have a low potential for adsorption. Since the log Kow was calculated to be 2.63, an experimental investigation on adsorption/desorption was not considered necessary.
Furthermore the soil adsorption coefficient (Koc) was calculated using EPIsuite KOCWIN program. Using the molecular connectivity index (MCI) method the Koc was calculated to be 582.3 L/kg and log Koc to be 2.77 respectively. Using the Kow method the Koc was calculated to be 194.6 L/kg and Log Koc to be 2.28 respectively. The Koc of 582.3 L/kg was regarded as worst case assumption and therefore chosen as key parameter for the risk assessment.
Henry´s law constant
The Henry constant of the test substance was calculated 1.14 Pa * m3/mol at 25 °C using SRC HENRYWIN v3.20. The substance is considered not to evaporate into the atmosphere from the water surface.
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