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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
2006
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
gas saturation method
Key result
Temp.:
20 °C
Vapour pressure:
0.002 Pa

Headspace vapour concentrations of GR-86 -6599 as found after an equilibration time of 24h, 48h and 72h.

The results are exposed in the table below: 

Equilibration time (h)   Headspace concentration (g/m3)
 24  0.00024
 48  0.00029*
 72  0.00021
 Average  0.00022

*Not used for calculation of average headspace concentration and vapour pressure. Considered outliner, not used.

Conclusions:
The vapour pressure at 20°C was calculated from the average headspace concentration using equation mentioned in Any other information on materials and methods incl. tables section.

The result was 0.002 Pa

Therefore:

Vapour pressure of GR-86-6599: 0.002 Pa at 20°C
Executive summary:

The vapour pressure of the test material GR-86-6599 has been determined to be 0.002 Pa at 20°C using the gas saturation method.

 

Therefore:

Vapour pressure of GR-86-6599: 0.002 Pa at 20°C;

Description of key information

The vapour pressure of the test material GR-86-6599 has been determined to be 0.002 Pa at 20°C using the gas saturation method (OECD 104).


 


Therefore:


Vapour pressure of GR-86-6599: 0.002 Pa at 20°C

Key value for chemical safety assessment

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

Additional information