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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

The read-across value for the vapour pressure of 2,4-TDA, obtained by extrapolation, is 0.017 Pa at 25°C,  and that of 2,6-TDA is 0.029 Pa at 25°C.

It might be expected that the vapour pressure of ortho-TDA will be a similar value.  

Modelling by EPI Suite gave a value for 2,3-TDA of 0.012hPa at 25 deg C and for 3,4-TDA a value of 0.004 hPa at 25 deg C.  

Key value for chemical safety assessment

Additional information