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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

Octanol-water partition coefficient (logPow; OECD 107): -0.713 (pH 11.1 - 11.4; 25°C)

Key value for chemical safety assessment

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

Additional information

BASF AG (1988) determined the octanol - water partition coefficient of monomethylamine by using the shake-flask-method (according to OECD 107). The substance was tested without pH adjustment. Out of three measurements a mean value of -0.713 is given as logPow at 25 °C in a pH range of 11.1 - 11.4. Additional data supports the key value.