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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
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
Derived using calculation method software. Current versions of EPIWIN, developed by Syracuse Research Corporation, have not been validated for estimating endpoints for chemicals that contain metals in their molecular structure; therefore, the estimated values derived from the EPIWIN models should be used with caution.
Principles of method if other than guideline:
Method: other: (calculated) EPIWIN v4.0
H:
0 atm m³/mol
Conclusions:
Calculation determined Henry's Law Constant. It was determined to be 4.59E-6 atm m3/mol.

Description of key information

A Henry's Law constant of 31820 4.598E-06 atm m3/mol was determined using valid calculation software.

Key value for chemical safety assessment

Additional information

A Henry's Law constant of 4.598E-06 atm m3/mol was determined using valid calculation software. This predicts that MMT(2-EHMA) will volatilise only minimally from surface water; half-lives from a model river or lake are 350 hours and 168.6 days, respectively.