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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:
June - July 2020
Reliability:
1 (reliable without restriction)
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)
Type of method:
effusion method: isothermal thermogravimetry
Specific details on test material used for the study:
- Storage conditions: Controlled room temperature (15-25°C, ≤70% relative humidity), protected from light and humidity (stored in a tightly closed container)
Key result
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
0 Pa
Remarks on result:
other: = 1.9E-7 mm Hg
Key result
Test no.:
#2
Temp.:
25 °C
Vapour pressure:
0 Pa
Remarks on result:
other: = 4.9E-7 mm Hg
Key result
Transition / decomposition:
no
Conclusions:
The vapor pressure was found to be 2.6 x 10E-5 Pa = 1.9 x 10E-7 mm Hg at 20°C and 6.5 x 10E-5 Pa = 4.9 x 10E-7 mm Hg at 25°C
Executive summary:

The study was conducted according to OECD test guideline no. 104 and EU method A.4, applying the isothermal TGA effusion method. No decomposition of the test item was observed. The vapor pressure was found to be 2.6 x 10E-5 Pa = 1.9 x 10E-7 mm Hg at 20°C and 6.5 x 10E-5 Pa = 4.9 x 10E-7 mm Hg at 25°C.

Description of key information

The study was conducted according to OECD test guideline no. 104 and EU method A.4, applying the isothermal TGA effusion method. No decomposition of the test item was observed.The vapor pressure was found to be 2.6 x 10E-5 Pa = 1.9 x 10E-7 mm Hg at 20°C and 6.5 x 10E-5 Pa = 4.9 x 10E-7 mm Hg at 25°C.

 

Key value for chemical safety assessment

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

Additional information