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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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vapour pressure
Type of information:
calculation (if not (Q)SAR)
estimated by calculation
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non-GLP, company data, reliable with restrictions
no guideline followed
Principles of method if other than guideline:
ExxonMobil Chemical internal calculation tool based ion boiling range and density.
GLP compliance:
Type of method:
other: calculation using ESIG tool
Key result
20 °C
Vapour pressure:
0.2 kPa
The vapour pressure of Hydrocarbon C9 aromatics, is 0.2 kPa.
Executive summary:

A standard vapour pressure calculation tool was used. This data is considered reliable and suitable for use for this endpoint.

The vapour pressure of Hydrocarbon, C9, aromatics, is 0.2 kPa.

Description of key information

The vapour pressure of the Hydrocarbons, C9, aromatics was estimated to be 0.2 kPa at 20°C.

Key value for chemical safety assessment

Vapour pressure:
0.2 kPa
at the temperature of:
20 °C

Additional information