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Registration Dossier
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EC number: 942-086-0 | CAS number: -
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
adsorption coefficient (Koc) of the test material: >4.27 x 10E5, log10 Koc >5.63
Key value for chemical safety assessment
- Koc at 20 °C:
- 5.63
Additional information
EUSES 2.1.2 includes TGD equations for the prediction of the adsorption coefficient Koc from Kow. The appropriate equation is for the ‘hydrophobics’ group, which is:
log Koc= 0.10 + 0.81log Kow
Kocfor each constituent is calculated from the log Kow . The calculated values are presented in Table 4.2.1 of the CSR.
A study was performed according to EU test method C19 (HPLC method) in which the adsorption coefficient for Distillates (Fischer-Tropsch), C8-26, branched and linear was reported to be greater than 4.27E+05 (log Koc>5.6) (O’Connor and Mullee, 2006). This result is also relevant to Hydrocarbons, C16-C22, n-alkanes, isoalkanes, <2% aromatics.
Adsorption coefficients for individual constituents is described in Section 4.2.1 of the Chemical Safety Report attached in Section 13.
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