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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
Study period:
N/A
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Qualifier:
according to guideline
Guideline:
other: TGD
GLP compliance:
no
Key result
H:
1.89 Pa m³/mol
Temp.:
25 °C
Remarks on result:
other: Henry’s law constants considering a VP of 0.555 Pa at 25°C and a MW of 86.13 g/mol. Water solubility of 2.53E-2 g/L Henry’s law constant at 25°C: 1.89 Pa.m3.mol-1

Calculation used from  (ECHA, 2008, Guidance on information requirements and chemical safety assessment, Chapter R.16: Environmental exposure estimation).  equation R.16 -10

Henry’s law constants considering a VP of 0.555 Pa at 25°C and a MW of 86.13 g/mol.

-             Water solubility of 3.97E-3 g/L

Henry’s law constant at 25°C: 12 Pa.m3.mol-1

Henry’s law constant at 12°C:5.77 Pa.m3.mol-1

 

-             Water solubility of 2.53E-2 g/L

Henry’s law constant at 25°C: 1.89 Pa.m3.mol-1

Henry’s law constant at 12°C:0.905 Pa.m3.mol-1

Conclusions:

Calculation used from  (ECHA, 2008, Guidance on information requirements and chemical safety assessment, Chapter R.16: Environmental exposure estimation).  equation R.16 -10

Henry’s law constants considering a VP of 0.555 Pa at 25°C and a MW of 86.13 g/mol.
-             Water solubility of 3.97E-3 g/L
Henry’s law constant at 25°C: 12 Pa.m3.mol-1
Henry’s law constant at 12°C:5.77 Pa.m3.mol-1
 
-             Water solubility of 2.53E-2 g/L
Henry’s law constant at 25°C: 1.89 Pa.m3.mol-1
Henry’s law constant at 12°C:0.905 Pa.m3.mol-1
Executive summary:

Calculation used from  (ECHA, 2008, Guidance on information requirements and chemical safety assessment, Chapter R.16: Environmental exposure estimation).  equation R.16 -10

Henry’s law constants considering a VP of 0.555 Pa at 25°C and a MW of 86.13 g/mol.

-             Water solubility of 3.97E-3 g/L

Henry’s law constant at 25°C: 12 Pa.m3.mol-1

Henry’s law constant at 12°C:5.77 Pa.m3.mol-1

 

-             Water solubility of 2.53E-2 g/L

Henry’s law constant at 25°C: 1.89 Pa.m3.mol-1

Henry’s law constant at 12°C:0.905 Pa.m3.mol-1

Description of key information

Calculation used from  (ECHA, 2008, Guidance on information requirements and chemical safety assessment, Chapter R.16: Environmental exposure estimation).  equation R.16 -10

Henry’s law constants considering a VP of 0.555 Pa at 25°C and a MW of 86.13 g/mol.

-         Water solubility of 3.97E-3 g/L

Henry’s law constant at 25°C: 12 Pa.m3.mol-1

Henry’s law constant at 12°C:5.77 Pa.m3.mol-1

 

-         Water solubility of 2.53E-2 g/L

Henry’s law constant at 25°C: 1.89 Pa.m3.mol-1

Henry’s law constant at 12°C:0.905 Pa.m3.mol-1

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
1.89
at the temperature of:
25 °C

Additional information