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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Reference
Endpoint:
bioaccumulation in aquatic species, other
Remarks:
calculation
Type of information:
calculation (if not (Q)SAR)
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:
As no experimental data regarding the bioaccumulation potential of 2-chlorobenzonitrile are available, the BCF was calculated using several estimation methods (BCFWIN v2.15, BCF-QSAR according to the TGD, EU 2003, and Solaris v4.67). The calculations were based on a measiured log Kow of 2.2.
GLP compliance:
not specified
Radiolabelling:
no
Vehicle:
no
Test type:
other: estimated by calculation
Details on estimation of bioconcentration:
BASIS INFORMATION
- Measured/calculated logPow: 2.2


BASIS FOR CALCULATION OF BCF
- Estimation software: BCFWIN v2.15, BCF-QSAR according to the TGD, EU 2003, and Solaris v4.67
- Result based on measured log Pow of:
* BCFWIN v2.15: BCF = 9.9
* BCF-QSAR: BCF = 14.8
* Solaris v4.67: BCF = 21.3 (pH 1-10)
Key result
Type:
BCF
Value:
>= 9.9 - <= 21.3 dimensionless
Validity criteria fulfilled:
not applicable
Conclusions:
The calculated BCF values range between 9.9 and 21.3 and therefore indicate only a low bioaccumulation potential of 2-chlorobenzonitrile.
Executive summary:

As no experimental data regarding the bioaccumulation potential of 2-chlorobenzonitrile are available, the BCF was calculated using several estimation methods (BCFWIN v2.15, BCF-QSAR according to the TGD, EU 2003, and Solaris v4.67).

The calculations were based on a measured log Kow of 2.2.

The calculated BCF values using diifferent estimation methods range between 9.9 and 21.3. These BCF values indicate that 2-chlorobenzonitrile has only a low bioaccumulation potential.

Description of key information

2-chlorobenzonitrile has a low potential for bioaccumulation. 

Key value for chemical safety assessment

BCF (aquatic species):
21.3 dimensionless

Additional information

As no experimental data regarding the bioaccumulation potential of 2-chlorobenzonitrile are available, the BCF was calculated using several estimation methods (BCFWIN v2.15, BCF-QSAR according to the TGD, EU 2003, and Solaris v4.67).

The calculations were based on a measured log Kow of 2.2.

The calculated BCF values using diifferent estimation methods range between 9.9 and 21.3. These BCF values indicate that 2-chlorobenzonitrile has probably only a low bioaccumulation potential.