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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: collection of data
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Referenceopen allclose all

Reference Type:
other: collection of data
Title:
LogKow Database
Author:
J. Sangster
Bibliographic source:
J. Sangster, LOGKOW – a Databank of Evaluated Octanol-Water Partition Coefficients, Sangster Research Laboratories, Montreal (1993).
Reference Type:
review article or handbook
Title:
Exploring QSAR - Hydrophobic, Electronic, and Steric Constants
Author:
Hansch, C., Leo, A., D. Hoekman
Year:
1995
Bibliographic source:
Washington, DC: American Chemical Society., 1995
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

Partition coefficient type:
octanol-water

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
-0.14

Any other information on results incl. tables

KOWWIN Program (v1.68) Results:

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

 

Log Kow(version 1.68 estimate): 0.01

 

Experimental Database Structure Match:

Name    : BENZENESULFONIC ACID HYDRAZIDE

CAS Num : 000080-17-1

Exp Log P: -0.14

Exp Ref : HANSCH,C ET AL.(1995)

 

SMILES : c1ccc(cc1)S(=O)(=O)NN

CHEM  : Benzenesulphonohydrazide

MOL FOR: C6 H8 N2 O2 S1

MOL WT : 172.20

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

TYPE | NUM |       LOGKOW FRAGMENT DESCRIPTION        | COEFF | VALUE

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

Frag | 1 | -NH2   [aliphatic attach]               |-1.4148 | -1.4148

Frag | 1 | -NH-   [aliphatic attach]               |-1.4962 | -1.4962

Frag | 6 | Aromatic Carbon                          | 0.2940 | 1.7640

Frag | 1 | -SO2-N  [aromatic attach]               |-0.2079 | -0.2079

Factor| 1 | -NH-NH- structure correction           | 1.1330 | 1.1330

Const |    | Equation Constant                        |        | 0.2290

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

Log Kow  =  0.0071

Applicant's summary and conclusion