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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
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:
effusion method: isothermal thermogravimetry
Test no.:
#1
Temp.:
20 °C
Vapour pressure:
< 0 Pa
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
< 0 Pa
Transition / decomposition:
no

The calculated vapour pressure of the test substance was outside the validated range of the method. According to this, the vapour pressure of the test substance was determined to be lower than that of benzo(ghi)perylene.

Conclusions:
The isothermal TGA effusion method was applied for the determination of the vapour pressure of the substance. No significant weight loss of the test item was observed below the melting temperature of the test item (i.e. a relatively low vapour pressure was obtained). The vapour pressure of the subsance was < 0.000000013 and 0.000000055 Pa at 20 and 25°C, respectively.

Description of key information

The isothermal TGA effusion method was applied for the determination of the vapour pressure of the substance. No significant weight loss of the test item was observed below the melting temperature of the test item (i.e. a relatively low vapour pressure was obtained). The vapour pressure of the subsance was < 0.000000013 and 0.000000055 Pa at 20 and 25°C, respectively. The lowest value at 20°C is used as the key value for chemical safety assessment purposes.

Key value for chemical safety assessment

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

Additional information