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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The Other Petroleum gases have partition coefficients ranging from log Kow 1.09 to 2.8.

Key value for chemical safety assessment

at the temperature of:
20 °C

Additional information

Data were available for methane, ethane and isobutane from the CRC handbook (2008) which is considered reliable for use. The QSAR KOWWIN was used to calculate the log Kow for butane and propane. These data can be read across to the Other Petroleum gases category members