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Environmental fate & pathways

Henry's Law constant

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Description of key information

The distribution model submitted with this application indicates that the bulk of the material finding its way to the environment will occur in the atmosphere.  The Henry's Law constant used in the UK Department of the Environment review in 1996 is an experimentally derived value of 3.47

Key value for chemical safety assessment

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

Additional information

The EuroChlor review conducted at the request of the European Commission to address concerns relating to chemical pollution of North Sea provides the following useful value for Henry's Law constant.

Henry’s Law constant (PA.m3/mol) -1144.66