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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2004
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes
Type of method:
effusion method: vapour pressure balance
Key result
Temp.:
20 °C
Vapour pressure:
< 0 hPa
Remarks on result:
other: Pressure not reported.
Temp.:
25 °C
Vapour pressure:
< 0 hPa
Temp.:
50 °C
Vapour pressure:
< 0 hPa
Temp.:
101.35 °C
Vapour pressure:
0 hPa
Temp.:
109.84 °C
Vapour pressure:
0.001 hPa

The mean deviation between measured and calculated values below the melting temperature is 10.4 %. The given data points have been obtained by calculation using the Antoine equation.

Conclusions:
The vapour pressure was measured at <0.00001 hPa at 20 °C.
Executive summary:

According to EU method A.4 "Vapour Pressure" , the vapour pressure of the substance was <0.00001 hPa at 20 °C.

Description of key information

The vapour pressure was measured at <0.00001 hPa at 20 °C.

Key value for chemical safety assessment

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

Additional information

"should read: < 0.00001 hPa at 20 °C"