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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:
2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
no
Remarks:
not required for phys chem
Type of method:
effusion method: vapour pressure balance
Key result
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
0.04 Pa

A total of 7 runs were completed for the main sequence. Runs 1 to 3 were not used as the vapor pressure had not equilibrated. The final 4 runs were used as equilibrium had been reached.

Run       Log10 [Vp(25 ºC)]

4              -1.37

5              -1.39

6              -1.43

7              -1.40

Mean       -1.40

Vapor Pressure = 4.01 x 10-2 Pa

Conclusions:
Vapour pressure at 25 degrees Celcius: 4.01 x 10-2 Pa

Description of key information

Key value for chemical safety assessment

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

Additional information