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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Remarks:
Calculation based on a measured water solubility value for the substance and measured vapour pressure
Qualifier:
no guideline followed
Principles of method if other than guideline:
Henry's law constant was calculated based on experimental water solubility, experimental vapour pressure and molecular weight.
Specific details on test material used for the study:
Input CAS: 67151-63-7
Input name: 2-Propanol, 1- bis 3-(dimethylamino)propyl amino -
Key result
H:
0 Pa m³/mol
Temp.:
12 °C
Key result
H:
0.001 Pa m³/mol
Temp.:
25 °C

Actual value calculated is 2.81E-04 Pa m³/mol based on vapour pressure, molecular weight and water solubility

Conclusions:
Henry's law constant was calculated to be 2.81E-04 Pa.m3/mol at 12 °C based on experimental water solubility and experimental vapour pressures for the substance. The value indicates that a low rate of volatilisation from surface water is expected.

Description of key information

The Henry's Law Constant of the substance was calculated to be 2.81E-4 Pa m³/mol based on the water solubility, vapour pressure and molecular weight.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0
at the temperature of:
12 °C

Additional information