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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Analytical method:
high-performance liquid chromatography
Key result
Type:
log Pow
Partition coefficient:
4.58
Temp.:
25 °C
Remarks on result:
other: no pH reported
Conclusions:
The logPow of Estron-Methylether was determined as 4.58.
Executive summary:

The n-octanl/water partition coefficient of Estron-Methylether was determined with the HPLC-method according to OECD guideline 117 to be log Pow = 4.58. This method is based on the correlation of the reversed phase retention data of the test compound with those of reference compounds with known log Pow values.

Description of key information

The n-octanl/water partition coefficient of Estron-Methylether was determined with the HPLC-method according to OECD guideline 117 to be log Pow = 4.58. This method is based on the correlation of the reversed phase retention data of the test compound with those of reference compounds with known log Pow values.


Key value for chemical safety assessment

Log Kow (Log Pow):
4.58
at the temperature of:
25 °C

Additional information