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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 vapour pressure of DPDP is very low.  The predicted values are all in the range of 7E-07 to 1.6E-05 Pa, well below the lowest range that an OECD 104 study can be conducted (see conclusion from Reimer 2002). As such, these selected value from the MPBPVP model of 6.98E-06 Pa is being used for the CSR.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information