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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:
From 01 October 2015 to 11 July 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 0
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
March 2006
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Version / remarks:
August 2009
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Version / remarks:
August 1996
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
effusion method: isothermal thermogravimetry
Test material information:
Composition 1
Test no.:
#1
Temp.:
110 °C
Vapour pressure:
> 34 - < 38 Pa
Test no.:
#2
Temp.:
120 °C
Vapour pressure:
> 75 - < 81 Pa
Test no.:
#3
Temp.:
130 °C
Vapour pressure:
> 150 - < 160 Pa
Test no.:
#4
Temp.:
140 °C
Vapour pressure:
> 290 - < 300 Pa

The test item vapour pressures calculated with the vapour pressure regression curve are : 0.005 Pa at 20°C and 0.0095 at 25°C

Conclusions:
The vapour pressure of the test item at 20 and 25°C is respectively 0.005 and 0.0095 Pa
Executive summary:

The test item vapour pressure was determined with isothermal thermogravimetric effusion method according to recognised guidelines and under GLP.

No deviation from these guidelines was observed during the study.

The vapour pressures apparatus was validated between 10-8to 103Pa using a set of reference substances with known vapour pressure.

The test item vapour pressure at 20 and 25°C have been determined with the vapour pressure regression curve. These values are respectively 0.005 and 0.0095 Pa.

Description of key information

The test item vapour pressure was determined in an experimental key study (Klimisch validity one, according to recognised guidelines).

Key value for chemical safety assessment

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

Additional information