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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
no
Type of method:
static method
Temp.:
20 °C
Vapour pressure:
< 1 Pa

Full test results:

Run 1

 Temp [°C]  Temp [K]  p [mbar]  p [Pa] **
 20 *  293.15  0.007  0.7
 30.9  304.05  0.0315  3.15
 40.4  313.55  0.0924  9.24
 50  323.15  0.3128  31.28
 60  333.15  1.1  110
 70  343.15  3.2  320
 80  353.15  7.8  780

* = determined by calculation

** = calculated

Run 2:

 Temp [°C]  Temp [K]  p [mbar]  p [Pa] **
 20 *  293.15  0.005  0.5
 40  313.15  0.0621  6.21
 50  323.15  0.2795  27.95
 60  333.15  0.8079  80.79
 70  343.15  2.2  220
 80  353.15  6.0  600
Conclusions:
The substance (Z)-9-Octadecen-1-ol ethoxylated has a vapor pressure < 1Pa at 20 °C.
Executive summary:

The substance (Z)-9-Octadecen-1-ol ethoxylated has a vapour pressure < 1 Pa at 20 °C measured according to EU Method A.4.

Description of key information

The vapour pressure of the substance is estimated as < 1Pa at 20 °C.

Key value for chemical safety assessment

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

Additional information

The vapour pressure of the substance is < 1 Pa at 20 °C measured in a reliable study according to EU Method A.4 (static method).