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Vapour pressure

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Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
21 June 2016 to 23 June 2016
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:
0.1 Pa
Remarks on result:
other: 298 K
Temp.:
80 °C
Vapour pressure:
15 Pa
Remarks on result:
other: 353 K

RESULTS

- The recorded temperatures and calculated vapor pressure values for the preliminary run are shown in Table 2 and Figure 2 (attached).

- Direct values of the vapour pressure at 25 °C are shown in Table 3 and Figure 3 for the definitive run (attached).

- Direct values of the vapor pressure at 80 °C are shown in Table 4 and Figure 4 for the definitive run (attached).

Conclusions:
The vapour pressure of the test item was determined to be 0.1 Pa at 25 °C (298 K) and 15.0 Pa at 80 °C (353 K).
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 0.1 Pa at 25 °C (298 K) and 15.0 Pa at 80 °C (353 K).

Endpoint:
vapour pressure
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Justification for type of information:
See read-across justification attached in Section 13.
Reason / purpose:
read-across source
Temp.:
25 °C
Vapour pressure:
0.1 Pa
Remarks on result:
other: 298 K
Temp.:
80 °C
Vapour pressure:
15 Pa
Remarks on result:
other: 353 K

Description of key information

The vapour pressure of an analogue test item was determined to be 0.1 Pa at 25 °C (298 K) and 15.0 Pa at 80 °C (353 K) (OECD 104 and EU Method A.4).

Key value for chemical safety assessment

Vapour pressure:
15 Pa
at the temperature of:
80 °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 analogue test item was determined to be 0.1 Pa at 25 °C (298 K) and 15.0 Pa at 80 °C (353 K).