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Environmental fate & pathways

Henry's Law constant

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Reference
Endpoint:
Henry's law constant
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Principles of method if other than guideline:
Calculated from vapour pressure, and water solubility.
H:
0.6 Pa m³/mol
Temp.:
25 °C
Atm. press.:
101.3 kPa
Conclusions:
The Henry's Law constant is equal to 0.6 Pa m3/mol.
Executive summary:

A study was conducted to determine the volatilisation of the test substance by a calculation method based on vapour pressure and water solubility values. The Henry’s law constant was calculated to be 0.6 Pa m3/mol. This implies that volatilisation from water is low.

Description of key information

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0.6
at the temperature of:
25 °C

Additional information

A study was conducted to determine the volatilisation of the test substance by a calculation method based on vapour pressure and water solubility values. The Henry’s law constant was calculated to be 0.6 Pa m3/mol. This implies that volatilisation from water is low.