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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
Please refer to QPRF/QMRF documentation for detailed information on model suitability.

Data source

Referenceopen allclose all

Reference Type:
other: Estimation software
Title:
Estimation Programs Interface Suite for Microsoft Windows, v4.11
Author:
US EPA
Year:
2012
Bibliographic source:
United States Environmental Protection Agency, Washington DC, USA; November 2012
Reference Type:
other: theoretical calculation
Title:
Unnamed
Year:
1995

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidance on information requirements and chemical safety assessment Chapter R.6: QSARs and grouping of chemicals
Version / remarks:
May 2008
Principles of method if other than guideline:
QSAR prediction using KOWWIN v1.68 of EpiSuite v4.1. QSAR calculation is based on the fragment constant methodology.
GLP compliance:
no
Type of method:
other: QSAR
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(tri(hydroxymethyl)methyl)glycine
EC Number:
227-193-6
EC Name:
N-(tri(hydroxymethyl)methyl)glycine
Cas Number:
5704-04-1
Molecular formula:
C6H13NO5
IUPAC Name:
2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}acetic acid
Test material form:
solid: particulate/powder
Specific details on test material used for the study:
SMILES : O=C(O)CNC(CO)(CO)CO

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
ca. -2.87
Temp.:
25 °C
Remarks on result:
other: pH not available in QSAR prediction
Details on results:
see QPRF/QMRF

Applicant's summary and conclusion

Conclusions:
The estimated log Pow = -2.870 for Tricine is very low and suggests hydrophillic properties associated with only a minor potential for adsorption and bioaccumulation.
Executive summary:

The estimated log Pow = -2.870 for Tricine is very low and suggests hydrophillic properties associated with only a minor potential for adsorption and bioaccumulation.