Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
partition coefficient
Type of information:
(Q)SAR
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
results derived from a (Q)SAR model, with limited documentation / justification

Data source

Reference
Reference Type:
other: QSAR-tool
Title:
Estimation Program Interface EPI Suite (TM) v4.11: KOWWIN v. 1.68 for estimation of log Kow
Author:
United States Environmental Protection Agency, Washington, DC, USA.
Bibliographic source:
http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm

Materials and methods

Type of method:
calculation method (fragments)
Partition coefficient type:
octanol-water

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
2.45

Any other information on results incl. tables

KOWWIN Program (v1.68) Results:

===============================

 

Log Kow(version 1.68 estimate): 2.45

 

SMILES : Brc1ccc(CC(#N))cc1

CHEM  : 4-bromophenylacetonitrile

MOL FOR: C8 H6 Br1 N1

MOL WT : 196.05

-------+-----+--------------------------------------------+---------+--------

TYPE | NUM |       LOGKOW FRAGMENT DESCRIPTION        | COEFF | VALUE

-------+-----+--------------------------------------------+---------+--------

Frag | 1 | -CH2-  [aliphatic carbon]               | 0.4911 | 0.4911

Frag | 6 | Aromatic Carbon                          | 0.2940 | 1.7640

Frag | 1 | -Br    [bromine, aromatic attach]       | 0.8900 | 0.8900

Frag | 1 | -C#N   [cyano, aliphatic attach]        |-0.9218 | -0.9218

Const |    | Equation Constant                        |        | 0.2290

-------+-----+--------------------------------------------+---------+--------

Log Kow  =  2.4523

Applicant's summary and conclusion

Executive summary:

A log Kow of 2,45 was estimeted.