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Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
no
Type of method:
effusion method: vapour pressure balance
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0 hPa
Remarks on result:
other:
Remarks:
values were extrapolated from the experimental data
Key result
Test no.:
#2
Temp.:
25 °C
Vapour pressure:
0 hPa
Remarks on result:
other:
Remarks:
values were extrapolated from the experimental data
Key result
Test no.:
#3
Temp.:
50 °C
Vapour pressure:
0.007 hPa
Remarks on result:
other:
Remarks:
values were extrapolated from the experimental data

The figures gives the vapour pressure (logarithmic scale) as a function of the inverse temperature (1/T, T in Kelvin). For the better readibility the temperature is also reported in a centigrade scale. The values for 20, 25 and 50°C are calculated, using the Antoine constants A, B and C.

The following vapour pressure values for the test item were extrapolated from the experimental data:

At 20°C the value was 1.45E-4 hPa.

At 25°C the value was 2.90E-4 hPa.

At 50°C the value was 6.69E-3 hPa.

Description of key information

The figures gives the vapour pressure (logarithmic scale) as a function of the inverse temperature (1/T, T in Kelvin). For the better readibility the temperature is also reported in a centigrade scale. The values for 20, 25 and 50°C are calculated, using the Antoine constants A, B and C.

The following vapour pressure values for the test item were extrapolated from the experimental data:

At 20°C the value was 1.45E-4 hPa.

At 25°C the value was 2.90E-4 hPa.

At 50°C the value was 6.69E-3 hPa.

Key value for chemical safety assessment

Additional information