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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:
07 October 2015 to 13 October 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP 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
Key result
Temp.:
25 °C
Vapour pressure:
0.555 Pa
Temp.:
40 °C
Vapour pressure:
2.68 Pa
Temp.:
60 °C
Vapour pressure:
3.47 Pa

RESULTS

- Recorded temperatures and calculated vapour pressure values for the preliminary run are shown in Table 3.1 (attached).

- Direct values for vapour pressure at 25°C are shown in Table 3.2 (attached) and Figure 3.3 (attached).

- Direct values for vapour pressure at 40°C are shown in Table 3.3 (attached) and Figure 3.4 (attached).

- Direct values for vapour pressure at 60°C are shown in Table 3.4 (attached) and Figure 3.5 (attached).

- The test item did not change in appearance during the definitive run at 25°C

- The test item did change in appearance during the definitive runs at 40 & 60°C to a clear amber liquid

Conclusions:
The Vapour pressure of the test item has been determined at three temperatures and the results are as follows;
0.555 Pa at 25°C (298 K)
2.68 Pa at 40°C (313 K)
3.47 Pa at 60°C (333 K)
Executive summary:

GUIDELINE

The determination was performed at three temperatures using the vapour pressure balance method and 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

Vapour pressure of the test item was determined to be 0.555 Pa at 25°C (298 K) 2.68 Pa at 40°C (313 K) 3.47 Pa at 60°C (333 K)

Description of key information

Vapour pressure of the test item was determined to be 0.555 Pa at 25°C (298 K) 2.68 Pa at 40°C (313 K) 3.47 Pa at 60°C (333 K) (OECD 104 & EU Method A.4)

Key value for chemical safety assessment

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

Additional information

The determination was performed at three temperatures using the vapour pressure balance method and 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

Vapour pressure of the test item was determined to be 0.555 Pa at 25°C (298 K) 2.68 Pa at 40°C (313 K) 3.47 Pa at 60°C (333 K)