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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
read-across from supporting substance (structural analogue or surrogate)
Remarks:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2013
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study conducted according to standards however not under GLP
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
other: ASTM D 2879
Deviations:
no
GLP compliance:
no
Remarks:
estimated by calculation
Key result
Temp.:
20 °C
Vapour pressure:
<= 5 Pa
Conclusions:
The calculated vapour pressure is < 5 Pa at 20°C.
Executive summary:

The vapour pressure of the substance Hydrocarbons, C16 -C20 (even numbered), n-alkanes, isoalkanes, <2% aromatics, calculated according to the ASTM D 2879 method, is < 5 Pa at 20°C.

Description of key information

There is no data available for Hydrocarbons, C14-C20 (even numbered), n-alkanes, isoalkanes, <2% aromatics.However, data is available for structural analogue, Hydrocarbons, C16-C20 (even numbered), n-alkanes, isoalkanes, <2% aromatics. This data is read across to based on analogue read across and a discussion and report on the read across strategy is provided as an attachment in IUCLID Section 13.

The vapour pressure of the substance Hydrocarbons, C16-C20 (even numbered), n-alkanes, isoalkanes, <2% aromatics, calculated according to the ASTM D 2879 procedure is < 5 Pa at 20°C.

Key value for chemical safety assessment

Vapour pressure:
5 Pa
at the temperature of:
20 °C

Additional information