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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Study period:
From 18 November 2016 to 23 March 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Cross-reference
Reason / purpose for cross-reference:
reference to other study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7550 (Partition Coefficient, n-octanol / H2O, Shake Flask Method)
Version / remarks:
1996
Deviations:
no
GLP compliance:
yes
Type of method:
estimation method (solubility ratio)
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
Reference substance 001
Cas Number:
210420-85-2
Constituent 2
Chemical structure
Reference substance name:
N-methyldidecylamine
EC Number:
230-990-1
EC Name:
N-methyldidecylamine
Cas Number:
7396-58-9
Molecular formula:
C21H45N
IUPAC Name:
N-decyl-N-methyldecan-1-amine
Constituent 3
Chemical structure
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
Dihydrogen oxide
impurity 1
Reference substance name:
Unknown impurities
Molecular formula:
Not available
IUPAC Name:
Unknown impurities
Test material form:
solid
Details on test material:
- Appearance: Slightly yellow gel
- Storage conditions: At room temperature; container flushed with nitrogen
Specific details on test material used for the study:
the substance is surface active

Results and discussion

Partition coefficientopen allclose all
Key result
Type:
Pow
Partition coefficient:
>= 4 100
Temp.:
20 °C
pH:
ca. 8
Type:
Pow
Partition coefficient:
>= 4 200
Temp.:
20 °C
pH:
ca. 8
Remarks on result:
other: corrected for the water content in the substance
Key result
Type:
log Pow
Partition coefficient:
>= 3.6
Temp.:
20 °C
pH:
ca. 8

Applicant's summary and conclusion

Conclusions:
The Pow of the substance at 20°C was estimated to be = 4.1E03 (log Pow = 3.6).



Executive summary:

Because the substance is surface active both the HPLC method and the shake-flask method are not applicable. The log Pow of the substance was therefore estimated from the ratio 'n-octanol solubility and critical micelle concentration'. The Pow of the substance at 20°C was estimated to be = 4.1E03 (log Pow = 3.6) in a GLP study according to EC A.8, OECD 107 and OPPTS 830.7550.