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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:
key study
Study period:
February 05, 2021
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
See the attached justification.
Qualifier:
according to guideline
Guideline:
other: ECHA Guidance on information requirements and chemical safety assessment - Chapter R.06: QSARs and grouping of chemicals
Principles of method if other than guideline:
See the justification for type of information.
H:
0 atm m³/mol
Temp.:
25 °C
Conclusions:
The Henry’s Law Constant of 2-(2-ethoxyethoxy)ethyl acetate was determined to be HLC = 4.58E-5 atm-m3/mole, equivalent to 4.64 Pa-m3/mole, using the EPA OPERA (Q)SAR model.
Executive summary:

The Henry’s Law Constant of 2-(2-ethoxyethoxy)ethyl acetate was determined to be HLC = 4.58E-5 atm-m3/mole, equivalent to 4.64 Pa-m3/mole, using the EPA OPERA (Q)SAR model.

Description of key information

Henry’s Law Constant: 4.58E-5 atm-m3/mole, equivalent to 4.64 Pa-m3/mole

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
4.64
at the temperature of:
25 °C

Additional information

No experimental studies investigating the Henry's Law constant (HLC) of 2-(2-ethoxyethoxy)ethyl acetate (CAS 112 -15 -2) are available. Therefore, the HLC was estimated using the EPA OPERA model to give a reliable value within the Applicability Domain. The HLC values of 4.64 Pa-m3/mole indicates that the above substance is moderately volatile from surface water.