Registration Dossier
Registration Dossier
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EC number: 216-768-7 | CAS number: 1663-39-4
Endpoint summary
Administrative data
Description of key information
Adsorption/Desorption
Adsorption to solid soil phase is not expected. For tert-butyl acrylate log Koc values for the uncharged molecule were calculated to be 138.9 L/kg (log Koc = 2.1428) and 23.14 L/kg (log Koc = 1.3643)
when based on the log Kow method and the MCI method, respectively.
Henry's law constant
For the substance tert-butyl acrylate the Henry's law constant was calculated to be 21.9 Pa·m³/mole based on the Bond Contribution Method, indicating slow evaporation of the substance from the water surface into the atmosphere.
Distribution modelling
Distribution modeling using Mackay Level I indicates that tert-butyl acrylate is likely to partition to the air compartment (97.8%) with the remainder partitioning into water (2.1%); negligible amounts are predicted to occur in other environmental compartments (soil, sediment) (Level I Fugacity, 2017).
Based on the physical chemical properties of tert-butyl acrylate, the atmosphere is the main target compartment for distribution and only small amounts will remain in the hydrosphere and geosphere.
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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