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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Reference
Endpoint:
Henry's law constant
Type of information:
(Q)SAR
Adequacy of study:
key study
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:
Please refer to attached QMRF and QPRF documents.
Qualifier:
according to guideline
Guideline:
other: ECHA Guidance on IR/CSA Chapter R.6
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: REACH Annex XI section 1.3
Deviations:
no
Principles of method if other than guideline:
Calculation of Henry's Law Constant. Software used: SRC HENRYWIN v3.20: Bond estimation method
GLP compliance:
no
Key result
H:
0.001 atm m³/mol
Remarks on result:
other: The substance is within the model’s applicability domain.

Description of key information

The calculated Henry's Law constant was calculated to be 105 Pa m³/mole.

Key value for chemical safety assessment

Henry's law constant (H) (in Pa m³/mol):
105
at the temperature of:
25 °C

Additional information

The Henry's Law constant was calculated using SRC HENRYWIN v3.20 (EPI Suite v4.11). The calculated constant is 105 Pa m³/mole.