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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:
01 February 2017 to 02 February 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
effusion method: vapour pressure balance
Temp.:
25 °C
Vapour pressure:
0.073 Pa
Temp.:
70 °C
Vapour pressure:
1.23 Pa

RESULTS

- The recorded temperatures and calculated vapour pressure values for the preliminary run are shown in Table 1 (attached).

- A graph of Log10 vapour pressure vs reciprocal temperature for the preliminary run is shown in Figure 4 (attached).

- Direct values of the vapour pressure at 25 °C are shown in Table 2 and Figure 2 for the definitive run (attached).

- Direct values of the vapour pressure at 70 °C are shown in Table 3 and Figure 3 for the definitive run (attached).

Conclusions:
The vapour pressure of the test item was determined to be 7.32 x 10E-02 Pa at 25 °C (298 K) and 1.23 Pa at 70°C (343K).
Executive summary:

GUIDELINE

The determination was carried out using a procedure designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.

 

RESULTS

The vapour pressure of the test item was determined to be 7.32 x 10E-02 Pa at 25 °C (298 K) and 1.23 Pa at 70 °C (343K).

Description of key information

The vapour pressure of the test item was determined to be 7.32 x 10E-02 Pa at 25 °C (298 K) and 1.23 Pa at 70°C (343K) (OECD 104 and EU Method A.4).

Key value for chemical safety assessment

Vapour pressure:
0.073 Pa
at the temperature of:
25 °C

Additional information

GUIDELINE

The determination was carried out using a procedure designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.

 

RESULTS

The vapour pressure of the test item was determined to be 7.32 x 10E-02 Pa at 25 °C (298 K) and 1.23 Pa at 70°C (343K).