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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Environmental fate & pathways

Henry's Law constant

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
Henry's law constant
Type of information:
(Q)SAR
Adequacy of study:
key study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Calculation provided by EPA EPIWIN
Qualifier:
no guideline required
Principles of method if other than guideline:
EPA EPIWIN
GLP compliance:
no
Key result
H:
75 600 Pa m³/mol
Temp.:
25 °C
Atm. press.:
1 atm
Conclusions:
HENRYs LAW CONSTANT at 25 deg C = 7.46E-001 atm-m3/mole
= 3.05E+001 unitless
= 7.56E+004 Pa-m3/mole

Description of key information

Henry's Law Constant was calculated based on the physico-chemical properties of each substance.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
75 600
at the temperature of:
25 °C

Additional information

For Oct-2 -ene a Henry’s Law Constant value was calculated using EPIWIN.