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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 Henry's Law Constant of DCPD is 1229.6 Pa.m3/mol.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
1 229.6

Additional information

DCPD has a Henry's Law Constant of 1229.6 Pa m3/mol. The value is calculated based on the physico-chemical properties of the substance and the equation set out in the Guidance R16 (ECHA 2012). Data from the QSAR model (US EPA 2009) following two separate methods, bond estimations and based on the estimated vapour pressure and water solubility, also provide Henry's Law Constants, with result of 6340 and 560.6 Pa.m3/mol respectively.