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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Vapour pressure

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Description of key information

0.0095 Pa at 20 °C

Key value for chemical safety assessment

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

Additional information

The vapour pressure of the substance isononanoic acid, C16-18 alkyl esters (CAS No. 111937-03-2) was determined by Grain-Watson estimation according to OECD Guideline 104 due to worst case considerations. The experimental value (5.5E-8 Pa at 20 °C) determined by differential scanning calometry is fits with the values (4.94E-7 - 4.25E-8 Pa at 20 °C) determined for the single components by QSAR calculation with SPARC (v4.5).