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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
key study
Study period:
2017 OCTOBER 01
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:
Estimated data are obtained from a reliable (Q)SAR program developed and validated by the United States Environmental Protection Agency (U.S. EPA). This program is included in the OECD (Q)SAR Toolbox for use in filling REACH data gaps.
Qualifier:
equivalent or similar to
Guideline:
other: US EPA EPI-Suite MPBPVP v1.43
GLP compliance:
no
Type of method:
other:
Remarks:
Estimated data are obtained from a reliable (Q)SAR program developed and validated by the United States Environmental Protection Agency (U.S. EPA). This program is included in the OECD (Q)SAR Toolbox for use in filling REACH data gaps.
Key result
Temp.:
25 °C
Vapour pressure:
0 Pa
Remarks on result:
other: Calculated using a reliable (Q)SAR program developed and validated by the United States Environmental Protection Agency (U.S. EPA).

Boiling Point: 440.33 deg C (Adapted Stein and Brown Method)


Melting Point: 185.89 deg C (Adapted Joback Method)

Melting Point: 143.45 deg C (Gold and Ogle Method)

Mean Melt Pt : 164.67 deg C (Joback; Gold,Ogle Methods)

Selected MP: 157.59 deg C (Weighted Value)


Vapor Pressure Estimations (25 deg C):

(Using BP: 440.33 deg C (estimated))

(Using MP: 157.59 deg C (estimated))

VP: 9.37E-012 mm Hg (Antoine Method)

: 1.25E-009 Pa (Antoine Method)

VP: 1.97E-010 mm Hg (Modified Grain Method)

: 2.63E-008 Pa (Modified Grain Method)

VP: 8.71E-008 mm Hg (Mackay Method)

: 1.16E-005 Pa (Mackay Method)

Selected VP: 1.97E-010 mm Hg (Modified Grain Method)

: 2.63E-008 Pa (Modified Grain Method)

Subcooled liquid VP: 4.48E-009 mm Hg (25 deg C, Mod-Grain method)

: 5.98E-007 Pa (25 deg C, Mod-Grain method)

Conclusions:
The vapour pressure of the substance was estimated to be 2.63E-008 Pa at 25 ˚C using EPI-Suite MPBPVP v1.43.

Description of key information

2.63E-008 Pa

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information

The vapour pressure of the substance was calculated to be 2.63E-008 Pa at 25 ˚C using EPI-Suite MPBPVP v1.43.