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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
July 16 - October 13, 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline 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
Type of method:
other: isothermal thermogravimetric effusion method.
Key result
Temp.:
20 °C
Vapour pressure:
< 0.001 Pa
Remarks on result:
other: Estimated vapour pressure value.

The vapour pressure of the test substance at 20°C (PT, 20)
was determined using the isothermal thermogravimetric
effusion method. The vapour pressure of the test substance
at 20°C (293K) was < 1.47 x 10-3 Pa = < 1.10 x 10-5 mm Hg
(which is the vapour pressure of hexachlorobenzene).

Conclusions:
The vapour pressure of the test substance at 20°C (293K) was < 1.47 x 10-3 Pa = < 1.10 x 10-5 mm Hg.

Description of key information

The study was performed using the isothermal thermogravimetric effusion method according to OECD Guideline 104/EU method A.4 and GLP principles.

Key value for chemical safety assessment

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

Additional information

The vapour pressure of the test substance at 20°C (293K) was < 1.47 x 10-3 Pa.