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Vapour pressure

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vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
03-05-2012 - 09-05-2012
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.4 (Vapour Pressure)
GLP compliance:
yes (incl. QA statement)
Type of method:
static method
Specific details on test material used for the study:
- Name of test material (as cited in study report): Jeffcat ZR50
- Physical state: Liquid
- Batch: PFW100207
- Composition of test material, percentage of components: contains 0.03% water
- Storage conditions: in cool, well-ventilated area
20 °C
Vapour pressure:
0.017 mBar
Remarks on result:
other: The result is the mean of 2 runs.

Based on the vapour pressures measured, a vapour pressure curve was constructed (lnP vs 1/T; p in mbar and T in Kelvin). The temperature range was 18.7 °C - 64.8 °C and 18.6 °C - 70 °C for run 1 and run 2, respectively.

The vapour pressure at 20°C was interpolated from the vapour pressure curve to be 0.017 mbar (run 1) and 0.016 mbar (run 2 ).

The vapour pressure of the substance was interpolated from the vapour pressure curve to be 0.017 mbar (1.7 Pa) at 20°C

Description of key information

The vapour pressure of the test substance was determined in a GLP-compliant study according to test method EC A.4 to be 1.7 Pa at 20 °C, following the static technique (Younis S, 2012).

Key value for chemical safety assessment

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

Additional information