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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Henry's Law constant

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Description of key information

 The calculated Henrys Law Constant is 0.153 atm m³/mol 

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
13.68
at the temperature of:
25 °C

Additional information

The Henry's Law constant of propene has been calculated by two QSAR models (USEPA 2008) recommended by ECHA (2008) Guidance on information requirements and chemical safety assessment R7a Endpoint specific guidance. The calculated values indicate that volatilisation from water is expected to occur at a rapid rate.