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Environmental fate & pathways

Henry's Law constant

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Description of key information

The Henry's Law Constant for the xylene isomers is 623 Pa.m3/mole.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
623
at the temperature of:
25 °C

Additional information

The Henry's Law Constant has been taken from QSAR estimates following the group and bond contribution methods. Also reported are the individal values for the isomers from the experimental database and calculations using estimated vapour pressure and water solubility. These results are supported by data from the CRC Handbook (Lide 2008).