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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:
16.01.2004 - 19.02.2004
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study (in accordance with the OECD and EU guidelines) and performed in a laboratory under DIN ISO/IEC 17025. The study is adequate but not described in detail, no detail on substance purity and batch used are reported.
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
Remarks:
DIN ISO/IEC 17025
Type of method:
effusion method: vapour pressure balance
Temp.:
20 °C
Vapour pressure:
<= 0.001 Pa

Degassing 60 min at 60°C (vacuum)

Cross section blende n.1: 6.0089 mm2 (starting at 60°C)

Vacuum at initial temperature: 8*10-8hPa

Initial Temperature: 60°C

Holding time: 10 min

Heating rate: 3°/m

Final Temperature: 120°C

Conclusions:
The study is considered to be reliable with some restrictions.

Description of key information

≤0.001Pa, 20°C, OECD 104, vapour effusion, Mekelburger, 2004

Key value for chemical safety assessment

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

Additional information

For the determination of the vapour pressure of the substance there is only one study available.

This study was performed in accordance with the OECD guideline for the testing of chemicals, number 104, July 1995 and with the EU method A. 4., Official Journal of the European Communities, 92/69/EEC, No L 383, December 1992. The result is reliable with some restrictions but adequate.