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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Henry's Law constant

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Administrative data

Link to relevant study record(s)

Description of key information

Henry's Law Constant was calculated based on the physico-chemical properties of each substance.

Key value for chemical safety assessment

Additional information

When required for use of the Equilibrium Partitioning Method to derive soil PNEC, a Henry’s Law Constant value was calculated based on the measured or calculated water solubility and the measured vapour pressure which are identified as the key studies for each substance.