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Environmental fate & pathways

Henry's Law constant

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Description of key information

QSAR by HENRYWIN v3.20 and via VP/WSol, is 0.00321 and 0.3071 Pa.m3/mol, resp. K2, reliable

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0.307
at the temperature of:
25 °C

Additional information

Atmosphere, air in soil, worker (inhalation):

The highest value, 0.3071 Pa.m3/mol, should be retained as a worst-case for modelling of atmospheric, soil and occupational exposures.

Aquatic environment:

The lowest value, 3.21 mPa.m3/mol, should be retained as a worst-case for modelling of aquatic exposure.