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Environmental fate & pathways

Henry's Law constant

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Reference
Endpoint:
Henry's law constant
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well documented publication which meets basic scientific principles
Qualifier:
according to guideline
Guideline:
other: EPICS (Equilibrium Partitioning in Closed Systems) method
Deviations:
yes
Remarks:
modified EPICS method
GLP compliance:
no
H:
0.007 atm m³/mol
Temp.:
10.3 °C
Remarks on result:
other: recalculated: 659.63 Pa m³/mol
H:
0.008 atm m³/mol
Temp.:
17.5 °C
H:
0.011 atm m³/mol
Temp.:
24.8 °C
Remarks on result:
other: recalculated: 1124.70 Pa m³/mol
H:
0.015 atm m³/mol
Temp.:
34.6 °C
Remarks on result:
other: recalculated: 1570.53 Pa m³/mol

Description of key information

Henry's Law constant: 1124.70 Pa m³/mol (Gossett, 1987).

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
1 124.7
at the temperature of:
24.8 °C

Additional information

Chloroethane (CAS 75-00-3) is expected to evaporate from water surfaces based upon a Henry's Law constant of 1124.70 Pa m³/mol (Gossett, 1987).