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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Endpoint:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
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
Principles of method if other than guideline:
Calculation with use of SPARC online calculator v4.5, self interaction physical process models for estimation of saturated vapour pressure.
GLP compliance:
no
Type of method:
other: QSAR
Temp.:
20 °C
Vapour pressure:
0 Pa
Remarks on result:
other: Result is given as 5.54E-18 Pa at 20 °C

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".

Endpoint:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
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
Principles of method if other than guideline:
Calculation with use of SPARC online calculator v4.5, self interaction physical process models for estimation of saturated vapour pressure.
GLP compliance:
no
Type of method:
other: QSAR
Temp.:
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

Additional information

The density of the substance fatty acids, C5-10 (linear and branched), tetraesters with pentaerythritol (CAS 68424 -31 -7) was determined by QSAR calculation with SPARC (v4.5) for the two exemplary components covering both ends of the substance specification.