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Diss Factsheets

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012-05
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
no
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Propylidynetrimethanol
EC Number:
201-074-9
EC Name:
Propylidynetrimethanol
Cas Number:
77-99-6
Molecular formula:
C6H14O3
IUPAC Name:
2-ethyl-2-(hydroxymethyl)propane-1,3-diol
Constituent 2
Chemical structure
Reference substance name:
2,2'-[methylenebis(oxymethylene)]bis[2-ethylpropane-1,3-diol]
EC Number:
301-304-9
EC Name:
2,2'-[methylenebis(oxymethylene)]bis[2-ethylpropane-1,3-diol]
Cas Number:
93983-16-5
Molecular formula:
C13H28O6
IUPAC Name:
2,2'-[methylenebis(oxymethylene)]bis(2-ethylpropane-1,3-diol)
Constituent 3
Chemical structure
Reference substance name:
2,2'-[oxybis(methylene)]bis[2-ethylpropane-1,3-diol]
EC Number:
245-509-0
EC Name:
2,2'-[oxybis(methylene)]bis[2-ethylpropane-1,3-diol]
Cas Number:
23235-61-2
Molecular formula:
C12H26O5
IUPAC Name:
2,2'-[oxybis(methylene)]bis(2-ethylpropane-1,3-diol)
Test material form:
solid
Details on test material:
Name of test material (as cited in study report): Reaction mass consisting of Trimethylolpropaneformal, Di-trimethylolpropane, Trimethylolpropane
- Substance type: organic
- Physical state: Solid
- Analytical purity: Mixture(GC purity %)
Trimethylolpropaneformal 29 %, Di-trimethylolpropane 28 % , Trimethylolpropane 12 % , Sodium formate 6.9 % , Unknown formal 2.5 %, Other unknowns 9 %
Lot/batch No: 251140-1
- Stability under test conditions: good
- Storage condition of test material: room temperature

Results and discussion

Partition coefficientopen allclose all
Type:
log Pow
Partition coefficient:
1.1
Temp.:
25 °C
Remarks on result:
other: Weighted average for product
Type:
log Pow
Partition coefficient:
-0.3
Temp.:
25 °C
Remarks on result:
other: TMP, component in product
Type:
log Pow
Partition coefficient:
1.38
Temp.:
25 °C
Remarks on result:
other: TMF, component in product
Type:
log Pow
Partition coefficient:
1.45
Temp.:
25 °C
Remarks on result:
other: di-TMP, component in product

Any other information on results incl. tables

Value (Log Pow): Components

Component

Area%

log Pow

TMP

16

-0.30

TMF

39

1.38

di-TMP

37

1.45

The Log Powof the tested substance was calculated from this. Duplicate determinations were made.

Results:

 

tR,min

Component

Area %

log Pow

Weighted average log Pow,peaks > 5 %

Injection 1

2.76

TMP

16.0

-0.30

1.11

 

3.31

 

1.2

0.09

 

 

13.85

TMF

38.6

1.38

 

 

15.46

di-TMP

37.2

1.44

 

 

17.45

 

1.1

1.52

 

 

18.73

 

3.1

1.56

 

 

21.08

 

0.5

1.63

 

 

22.43

 

0.1

1.67

 

 

24.73

 

0.9

1.73

 

 

26.61

 

0.1

1.77

 

 

29.29

 

0.4

1.83

 

 

45.43

 

0.7

2.08

 

Injection 2

2.76

TMP

16.3

-0.30

1.11

 

3.31

 

1.1

0.10

 

 

14.05

TMF

38.5

1.38

 

 

15.64

di-TMP

37.4

1.45

 

 

17.59

 

1.1

1.52

 

 

18.76

 

3.0

1.56

 

 

21.11

 

0.5

1.63

 

 

22.51

 

0.1

1.67

 

 

24.67

 

1.0

1.73

 

 

26.52

 

0.3

1.77

 

 

29.24

 

0.2

1.83

 

 

45.60

 

0.4

2.08

 

Average value

 

 

 

 

1.11

Applicant's summary and conclusion

Conclusions:
Weighted average of logPow is 1.1 at 25°C