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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
adsorption / desorption: screening
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Study period:
2018
Reliability:
2 (reliable with restrictions)
Justification for type of information:
1. SOFTWARE : KOCWIN V2.00 estimate

2. MODEL (incl. version number) KOCWIN V2.00 estimate
Soil Adsorption Coefficient

Data source

Reference
Reference Type:
other: EPIWIN
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Principles of method if other than guideline:
- Software tool(s) used including version: EPIWIN
- Model(s) used: KOCWIN V2.00
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Tridecyl stearate
EC Number:
250-696-7
EC Name:
Tridecyl stearate
Cas Number:
31556-45-3
Molecular formula:
C31H62O2
IUPAC Name:
tridecyl stearate

Results and discussion

Adsorption coefficientopen allclose all
Key result
Sample No.:
#1
Type:
log Koc
Value:
ca. 7.804 dimensionless
pH:
7
Temp.:
20 °C
Remarks on result:
other: MCI method
Key result
Sample No.:
#2
Type:
log Koc
Value:
ca. 8.67 dimensionless
pH:
7
Temp.:
20 °C
Remarks on result:
other: Kow method

Applicant's summary and conclusion

Conclusions:
Log Koc is between 7.8 and 8.67 according to KOCWIN V2.00
the value is high and it can be assumed that the adsorption potential of the substance is high.