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Environmental fate & pathways

Henry's Law constant

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Reference
Endpoint:
Henry's law constant
Type of information:
(Q)SAR
Remarks:
estimated by calculation
Adequacy of study:
supporting study
Study period:
2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: US EPA method
Justification for type of information:
SOFTWARE:
US EPA. Estimation Programs Interface Suite (EpiSuite) v4.11

MODEL (incl. version number):
HENRYWIN v3.20 (2011).

SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL:
COC(=O)CCCCCCCCCCCCCCCCC(=O)OC

ADEQUACY OF THE RESULT:
Results considered suffiicent as supporting information in e-fate assessment.
Qualifier:
no guideline required
Principles of method if other than guideline:
Hine, J. and Mookerjee, P.K.   1975.  The intrinsic hydrophilic character of organic compounds. Correlations in terms of structural contributions.   J. Org. Chem. 40: 292-298. The original methodology was updated and expanded by Syracuse Research Corporation as HENRYWIN v3.20 (2011).
GLP compliance:
no
H:
0.007 atm m³/mol
Temp.:
25 °C
Atm. press.:
1 atm
Remarks on result:
other: Estimated using available water solubility and vapor pressure data
Conclusions:
The Henry's Law Constant for octadecanedioic acid, 1,18-dimethyl ester (ODDAME) is estimated to be 6.585E-003 atm-m3/mole 25 °C by using HENRYWIN v3.20 and available water solubility and vapor pressure data.

Description of key information

Henry's Law Constant is estimated to be 6.585E-003 atm-m3/mole at 25°C.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
0.007
at the temperature of:
25 °C

Additional information