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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

0.0079 Pa at 25 °C
Calculated values: 2.89E-005 Pa (C21 H40 O4) component
2.9E-013 Pa (C37 H72 O4) component
4.79E-015 Pa (C41 H76 O4) component

Key value for chemical safety assessment

Additional information

The vapour pressure of the substance Fatty acids, C8-18 and C18-unsatd., esters with neopentyl glycol (CAS 85186-86-3) was determined by vapoure pressuer balance method and calculating the value for 25 °C.

QSAR calculations with SPARC (v4.6) for the single components reveal results of 2.89E-5 Pa at 20 °C for the C8 diester component and lower for components with higher molecular weight. These calculations are supporting.