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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

According to column 2 of Annex VII of the REACH Regulation (EC) No 1907/2006 "The study does not need to be conducted if the melting point is above 300 °C." The melting point of Melam is above 300 °C.
The vapour pressure of melam at 25 °C was estimated by the modified Grain method of the MPBPVP-tool within the EpiSuite v4.1 programme to 1.71E-10 Pa.

Key value for chemical safety assessment

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

Additional information

The vapour pressure of melam at 25 °C is 1.71-10 Pa and not the value of 0.000000002 as forced in the field "Value used for CSA" above.