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EC number: 200-830-5 | CAS number: 75-00-3
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Based on the low log Pow of 1.43 a low adsorption potential of the substance is anticipated.
Key value for chemical safety assessment
- Koc at 20 °C:
- 17.41
Additional information
Experimental data on the adsorption potential of chloroethane (CAS 75-00-3) are not available. Based on the low log Pow of 1.43 a low adsorption potential of the substance is anticipated.
This is supported by the low estimated log Koc values. The calculation was performed by (Q)SAR (EPI Suite v4.11) using the KOCWIN v2.00 model based on the Molecular Connectivity Index (MCI) and the log Kow method. A log Pow of 1.43 (Hansch, 1995) was used as input parameter for the calculation based on the log Kow method. The obtained log Koc from the log Pow based estimate was 1.24 (Koc: 17.41 L/kg). The calculation based on the molecular connectivity index (MCI) resulted in a log Koc value of s ranging of 1.36 (Koc: 21.73 L/kg). Both models indicate a low potential for adsorption to particles of soil and sediment, which is in line with low log Pow. The slightly lower Koc of 17.41 L/kg estimated from log Pow represents the worst case for PNEC derivation by EPM and thus is taken as key value.
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