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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: This summary has a reliability of 2 because the results are estimated using a computer model that is appropriate for use with this hydrocarbon substance.
Qualifier:
no guideline followed
Guideline:
other: calculated
Principles of method if other than guideline:
ExxonMobil internal calculation tool, based on boiling range and density
GLP compliance:
no
Type of method:
other: calculated
Key result
Temp.:
20 °C
Vapour pressure:
6 kPa
Transition / decomposition:
no
Transition temp.:
20 °C
Conclusions:
The vapour pressure for Hydrocarbons, C7, n-alkanes, isoalkanes, cyclics was calculated with an internal ExxonMobil Chemical computer model. A value of 6 kPa was calculated.
Executive summary:

The vapour pressure for Hydrocarbons, C7, n-alkanes, isoalkanes, cyclics was calculated with an internal ExxonMobil Chemical computer model. A value of 6 kPa was calculated.

Description of key information

The vapour pressure for Hydrocarbons, C7, n-alkanes, isoalkanes, cyclics was calculated to be 6 kPa at 20°C.

Key value for chemical safety assessment

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

Additional information

The vapour pressure for Hydrocarbons, C7, n-alkanes, isoalkanes, cyclics was calculated using an ExxonMobil internal calculation model. A value of 6 kPa was calculated