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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:
The study was conducted between 29 May 2018 and 11 June 2018
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)
Remarks:
Date of Inspection: 18 July 2017 20 July 2017 Date of Issue: 28 November 2017
Type of method:
effusion method: vapour pressure balance
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 2955
- Expiration date of the lot/batch: 04 February 2019

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature, in the dark

Key result
Temp.:
25 °C
Vapour pressure:
0 Pa

The values of vapour pressure at 25 °C, extrapolated from each graph, are summarized in the following table:

Table 11 Summary of Vapour Pressure Data

Run

Log10[Vp(25 oC)]

1

-5.54

2

-3.97

3

-4.04

4

-4.18

5

-3.96

6

-3.83

7

-4.35

8

-4.61

9

-3.94

10

-3.99

Mean

-4.24

Vapour Pressure

5.76 x 10-5Pa

The test item did not change in appearance under the conditions used in the determination.

A total of 10 runs were completed for the main sequence. All 10 runs were used as equilibrium had been reached.

The results may represent rounded values obtained by calculations based on the exact raw data.

Conclusions:
The vapor pressure of the test item has been determined to be 5.8 x 10-5 Pa at 25 oC.
Executive summary:

The vapor pressure of the substance has been determined to be 5.8 x 10-5 Pa at 25 °C, using the vapor pressure balance method, 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.

Description of key information

The vapor pressure of the substance has been determined to be 5.8 x 10-5 Pa at 25 °C, using the vapor pressure balance method.

Key value for chemical safety assessment

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

Additional information

The vapor pressure of the substance has been determined to be 5.8 x 10-5Pa at 25 °C, using the vapor pressure balance method, 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.