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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a (Q)SAR model, with limited documentation / justification, but validity of model and reliability of prediction considered adequate based on a generally acknowledged source
Justification for type of information:
The KOWWIN used for estimaton of the log P is suitable for the substance. The molecular weight is in the range of the model. The fragment of sulfonic acid and amidino fragmeent are also mentioned in the data set used for validation and training of KOWWIN. So the results for the estimated log Pow can be treated as reliable.

Data source

Reference
Reference Type:
other: QSAR results
Title:
EPI Suite SETU
Author:
N.N.
Year:
2017
Bibliographic source:
EPI Suite (v4.11)
Report date:
2017

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
The Partion coefficient is estimated by using EPI Suite v4.11 on the molecular structure of the substance.

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(2-sulphonatoethyl)isothiouronium
EC Number:
247-391-6
EC Name:
2-(2-sulphonatoethyl)isothiouronium
Cas Number:
25985-57-3
Molecular formula:
C3H8N2O3S2
IUPAC Name:
2-(carbamimidoylsulfanyl)ethane-1-sulfonic acid
Test material form:
solid: bulk
Details on test material:
pure substance

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-2.49
Remarks on result:
not determinable because of methodological limitations

Applicant's summary and conclusion

Conclusions:
The substance shows an estimated log Kow of -2.49 (EPI Suite v4.11, KOWWIN v1.68)
Executive summary:

The substance shows an estimated log Kow of -2.49 (EPI Suite v4.11, KOWWIN v1.68)