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Environmental fate & pathways

Adsorption / desorption

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Reference
Endpoint:
adsorption / desorption, other
Remarks:
calculation
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Qualifier:
no guideline followed
Principles of method if other than guideline:
The Koc value was estimated using PKOC v1.66.
GLP compliance:
no
Type of method:
other: estimation by calculation
Radiolabelling:
no
Test temperature:
not applicable
Key result
Type:
Koc
Value:
ca. 162 dimensionless
Remarks on result:
other: no further details reported
Type:
log Koc
Value:
ca. 2.21 dimensionless
Remarks on result:
other: no further details reported
Validity criteria fulfilled:
not applicable
Conclusions:
The log Koc (Koc) value of 2-chlorobenzonitrile was calculated to be 2.21 (162).
Executive summary:

The Koc value was estimated using PKOC v1.66. The log Koc (Koc) of 2-chlorobenzonitrile was calculated to be 2.21 (162) (US EPA 2004). Experimental results are not available.

2-chlorobenzonitrile has only a low adsorption potential to soil.

Adsorption to aerosols is not expected. 2-chlorobenzonitrile has a vapour pressure of 6 Pa at 20 °C (see IUCLID section 4.6). With an average load of aerosols in the atmosphere (according to TGD, EU 2003, the specific aerosol surface is 5.6 * 10^-6 cm²/cm³), less than 0.1 % of 2-chlorobenzonitrile is adsorbed to aerosol particles.

Description of key information

The log Koc (Koc) of 2-chlorobenzonitrile was calculated to be 2.21 (162). 

Key value for chemical safety assessment

Koc at 20 °C:
162

Additional information

The Koc value was estimated using PKOV v1.66. The log Koc (Koc) of 2-chlorobenzonitrile was calculated to be 2.21 (162) (US EPA 2004). Experimental results are not available.

2-chlorobenzonitrile has only a low adsorption potential to soil.

Adsorption to aerosols is not expected. 2-chlorobenzonitrile has a vapour pressure of 6 Pa at 20 °C (see IUCLID section 4.6). With an average load of aerosols in the atmosphere (according to TGD, EU 2003, the specific aerosol surface is 5.6 * 10^-6 cm²/cm³), less than 0.1 % of 2-chlorobenzonitrile is adsorbed to aerosol particles.

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