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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Title:
Alkyl esters as skin permeation enhancers for indomethacin
Author:
Catz P, Friend DR
Year:
1989
Bibliographic source:
Int J Pharma, 55, 17-23

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
GLP compliance:
not specified
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethanol
EC Number:
200-578-6
EC Name:
Ethanol
Cas Number:
64-17-5
Molecular formula:
C2H6O
IUPAC Name:
ethanol
Specific details on test material used for the study:
Described as 'reagent grade'. Used without further purification

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
0.35
Temp.:
24 °C
pH:
7.4

Applicant's summary and conclusion

Conclusions:
The logKow for ethanol is -0.35
Executive summary:

The logKow for ethanol is -0.35