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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Administrative data

Link to relevant study record(s)

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).