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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Reference
Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Data is from EPI Suite estimation database
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Vapour pressure of test chemical is estimated by modified grain method.
GLP compliance:
not specified
Type of method:
other: Estimation
Key result
Temp.:
25 °C
Vapour pressure:
0.549 mm Hg
Remarks on result:
other: 73 Pa
Conclusions:
The vapour pressure of test chemical was estimated to be 0.549 mmHg which is equivalent to 73 Pa at 25°C by modified grain method.
Executive summary:

Based on the reliable source the vapour pressure of test chemical was estimated to be 0.549 mmHg which is equivalent to 73 Pa at 25°C by modified grain method.

Description of key information

The vapour pressure of test chemical was estimated to be 0.5 mmHg which is equivalent to 66.7 Pa at 25°C by modified grain method.

Key value for chemical safety assessment

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

Additional information

The vapour pressure of test chemical was estimated to be 0.5 mmHg which is equivalent to 66.7 Pa at 25°C by modified grain method.

From other estimated database, vapour pressure of the test chemical was estimated  to be 0.549 mmHg at 25°C, which supports the key value.