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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-02-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study with acceptable restrictions (e.g. non-GLP)
Qualifier:
according to guideline
Guideline:
other: DIN-EN 13016-2
GLP compliance:
no
Other quality assurance:
other: The laboratory complied with a quality management system according to DIN EN ISO 9001 : 2008 and DIN EN ISO 14001 : 2005.
Type of method:
static method
Remarks:
MiniVap (Fa. Grabner-Instruments)
Key result
Temp.:
20 °C
Vapour pressure:
5 hPa
Remarks on result:
other: Extrapolated value

Linear equation based on experimental results below:

y = -1395.4x + 5.4735

R² = 0.9965

y: log P [hPa]; x: 1/T [K]

The regression equation was based on the following experimental data:

 Temperature  Vapour pressure [hPa]
 90°C 42 
 95 °C 49 
 100 °C 55 
 105 °C 61 
 110 °C 68 
 115 °C

75 
Conclusions:
Vapour pressure (DIN-EN 13016-2): 5 hPa at 20 °C (extrapolated).
Executive summary:

The vapour pressure was determined following the static method according to guideline DIN-EN 13016-2 using the "MiniVap" device (Co. Grabner-Instruments).

The vapour pressure was determined to be 5 hPa at 20°C. The value is based on 6 measurements within the temperature range of 90 °C to 115 °C.

The laboratory complied with a quality management system according to DIN EN ISO 9001 : 2008 and DIN EN ISO 14001 : 2005.

Description of key information

Vapour pressure (DIN-EN 13016-2): 5 hPa at 20 °C (extrapolated).

Key value for chemical safety assessment

Vapour pressure:
5 hPa
at the temperature of:
20 °C

Additional information

The vapour pressure was determined following the static method according to guideline DIN-EN 13016-2 using the "MiniVap" device (Co. Grabner-Instruments).

The vapour pressure was determined to be 5 hPa at 20°C. The value is based on 6 measurements within the temperature range of 90 °C to 115 °C.

The laboratory complied with a quality management system according to DIN EN ISO 9001 : 2008 and DIN EN ISO 14001 : 2005.