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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Environmental fate & pathways

Henry's Law constant

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Description of key information

The Henry’s Law constant is calculated to be 2,110 Pa.m3/mol at 20 degrees Celsius

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
2 110
at the temperature of:
20 °C

Additional information

The Henry’s Law constant for tetrachloroethylene and the air-water partitioning coefficient are calculated as 2,110 Pa.m3/mol and 0.893 m3/m3 respectively using EUSES with a vapour pressure of 1,900 Pa and a water solubility of 149 mg/l.