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Vapour pressure

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vapour pressure
Type of information:
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
equivalent or similar to
other: REACh Guidance on QSARs R.6
Principles of method if other than guideline:
Calculation with use of SPARC online calculator v4.6, self interaction physical process models for estimation of saturated vapour pressure. Description of methodology is outlined in: Carreira, L. A., S. Hilal and S. W. Karickhoff, "Estimation of Chemical Reactivity Parameters and Physical Properties of Organic Molecules Using SPARC,"  (Book Chapter), Theoretical and Computational Chemistry, Quantitative Treatment of Solute/Solvent Interactions, Eds. P. Politzer and J. S. Murray, Elsevier Publishers, 1994.
GLP compliance:
Type of method:
other: QSAR
20 °C
Vapour pressure:
< 0 Pa

QSAR result; transition/decomposition is not specified/reported. For detailed description of the model and its applicability, see "Any other information on materials and methods incl. tables".

Description of key information

< 0.0001 Pa at 20 °C

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
20 °C

Additional information

The vapour pressure of the substance was determined by QSAR calculations with SPARC v4.6, performed for single components. The results of 9.79E-44 - 8.05E-22 Pa at 20 °C for the main constituents reported in section 1.2 indicate that the substance is non-volatile and the overall vapour pressure is estimated as < 0.0001 Pa.