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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:
From 31 January 2005 to 6 July 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
GLP compliance
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
(2 December 2002)
Type of method:
effusion method: vapour pressure balance
Key result
Temp.:
25 °C
Vapour pressure:
51 Pa
Remarks on result:
other: Estimated vapour pressure value.

Table 1: Summary of results

 

Run

Log10 [Vp(25°C)]

Log10 [Vp(20°C)]

1

1.694

1.471

2

1.668

1.448

3

1.700

1.476

4

1.716

1.489

5

1.753

1.521

Mean

1.706

1.481

Vapour pressure

51 Pa

30 Pa

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

DISCUSSION

The melting point of the material is approximately 22°C for this reason the vapour pressure was extrapolated to 25°C and 20°C. Thus providing an estimation of the vapour pressure just above and below the melting temperature of the material.

Conclusions:
The vapour pressure of the test material has been determined to be 51 Pa at 25°C and 30 Pa at 20°C.
Executive summary:

The determination of the vapour pressure of Monofluoroethylene carbonate was performed using a vapour pressure balance according to OECD Guideline n°104 and EU Method A.4, under GLP conditions. The result was: 51 Pa at 25°C and 30 Pa at 20°C.

Description of key information

The vapour pressure of the test material has been determined to be 51 Pa at 25°C and 30 Pa at 20°C.

Key value for chemical safety assessment

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

Additional information