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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
(Q)SAR
Adequacy of study:
key study
Study period:
2016-06-02
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The result was determined by QSAR estimation with the programme EPI Suite using KOWWIN v.1.68 that is recommended in the REACH Guidance on information requirements and chemical safety assessment, Chapter R.6.1.8.5.
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: QSAR method
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSARs R.6 May 2008
Deviations:
no
Principles of method if other than guideline:
The result was determined by QSAR estimation with the programme EPI Suite using KOWWIN v.1.68 that is recommended in the REACH Guidance on information requirements and chemical safety assessment, Chapter R.6.1.8.5.
GLP compliance:
no
Type of method:
other: (Q)SAR estimation
Partition coefficient type:
other: (Q)SAR

Test material

Constituent 1
Chemical structure
Reference substance name:
1,4-dichlorobutane
EC Number:
203-778-1
EC Name:
1,4-dichlorobutane
Cas Number:
110-56-5
Molecular formula:
C4H8Cl2
IUPAC Name:
1,4-dichlorobutane
Details on test material:
- SMILES notation: CLCCCCCL

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
ca. 2.81
Remarks on result:
other: pH not reportable
Details on results:
The result was determined by QSAR estimation with the programme EPI Suite using KOWWIN v.1.68 that is recommended in the REACH Guidance on information requirements and chemical safety assessment, Chapter R.6.1.8.5.

Applicant's summary and conclusion

Conclusions:
The partition coefficient log Pow of 1,4-Dichlorobutane was calculated to be 2.81.