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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

estimated by calculation (based on modified Grain method): 0.0001 Pa at 20 °C
experimental value: 0.000011 Pa at 20 °C (OECD 104)

Key value for chemical safety assessment

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

Additional information

The vapour pressure (1E-04 Pa at 20 °C (Grain-Watson estimation) and 1.1E-05 Pa at 20 °C (experimental)) was determined according to OECD Guideline 104. Substances with a higher vapour pressure need to be assessed more critically than those with a lower vapour pressure. For this reason, the calculation based on mdified Grain method is based on the theoretically instead of the experimentally determined vapour pressure. Additionally, the vapour pressures of possible individual constituents of the substance were calculated using EPIsuite v 4.10 (MPBPVP v 1.43). The QSAR range-values (0.0011Pa-1.31E-010 Pa at 20 °C) are supporting.

The vapour pressure 0.0001 Pa at 20 °C estimated by calculation is taken as a key value for chemical safety assessment.