Registration Dossier
Registration Dossier
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EC number: 905-588-0 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
The log Kow of the xylene isomers and ethylbenzene ranges from 3.12 to 3.2 which suggests that they have the potential to sorb to soil and sediment. A reliable adsorption/desorption study with xylene or one of the other streams in this category as the test substance was not identified. However, a study using o-xylene, conducted to a method equivalent to OECD 121 using a HPLC method (Hodson et al 1988), gave an estimated log Koc of 2.73 based on the measured K value. Based on similar physico-chemical properties, this value is considered appropriate for read across to all streams in this category.
The calculated Henrys Law constant is 623 Pa m³/mol. The Henry's Law constants of the xylene isomers and ethylbenzene have been calculated by a QSAR model and are supported by results from a peer-reviewed handbook. The calculated value indicate that volatilisation from water is expected to occur at a rapid rate.
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