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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:
12 January 2018 to 24 January 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
static method
Specific details on test material used for the study:
Source and lot/batch No.of test material: Sponsor and G316507
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0.3 mBar
Remarks on result:
other: determined by extrapolation
Remarks:
Run 1
Key result
Test no.:
#2
Temp.:
20 °C
Vapour pressure:
30 Pa
Remarks on result:
other: calculated
Remarks:
Run 1
Key result
Test no.:
#3
Temp.:
20 °C
Vapour pressure:
0.19 mBar
Remarks on result:
other: determined by extrapolation
Remarks:
Run 2
Key result
Test no.:
#4
Temp.:
20 °C
Vapour pressure:
19 Pa
Remarks on result:
other: calculated
Remarks:
Run 2
Key result
Test no.:
#5
Temp.:
20 °C
Vapour pressure:
0.18 mBar
Remarks on result:
other: determined by extrapolation
Remarks:
Run 3
Key result
Test no.:
#6
Temp.:
20 °C
Vapour pressure:
18 mBar
Remarks on result:
other: calculated
Remarks:
Run 3

Run 1: 12.4 g of sample was degassed for 63 hour period. Starting vacuum pressure was 0.0021 mbar. The result of this test run in conjunction with the other two test runs is considered as an outlier as the result at 20°C does not meet the 10% reproducibility criteria as specified in the test guidelines.

Run 2: 11.4 g of sample degassed for 87 hour period. Starting vacuum pressure was 0.001 mbar.

Run 3: 6.4 g of sample degassed for 92 hour period. Starting vacuum pressure was 0.0026 mbar.

Conclusions:
Vapor pressure value determined using Static method was calculated as mean from Runs 2 and 3.
Vapour pressure was derermined to be 18.5 Pa at 20 degrees Celsius.

Description of key information

Vapor pressure value determined using Static method was calculated as mean from Runs 2 and 3.

Vapour pressure was derermined to be 18.5 Pa at 20 degrees Celsius.

Key value for chemical safety assessment

Vapour pressure:
18.5 Pa
at the temperature of:
20 °C

Additional information