Registration Dossier

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report Date:
1988

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
GLP compliance:
no
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
Name of test material (as cited in study report): 2,3,5-trimethylhydroquinone
Analytical purity: 99.66

Study design

Analytical method:
gas chromatography

Results and discussion

Partition coefficientopen allclose all
Key result
Type:
log Pow
Partition coefficient:
3.32
Temp.:
25 °C
Remarks on result:
other: no pH was measured
Key result
Type:
Pow
Partition coefficient:
2 070
Temp.:
25 °C
Remarks on result:
other: no pH was measured
Details on results:
The study was performed without measurement of the pH value.

Applicant's summary and conclusion

Conclusions:
The partition coefficient log P of trimethylhydroquinone was determined to be 3,32 at 25°C using the shake-flask-method.
Executive summary:

The partition coefficient of the test item trimethylhydroquinone was determined at 25°C by means of the shake-flask-method to be: log POW = 3,32 .