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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

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

Additional information

In accordance with Annex VII, Section 7.5, Column 2 of Regulation (EC) No. 1907/2006 (REACH), a study for vapour pressure does not need to be conducted if the melting point is above 300 °C. An adequate and reliable study for melting/freezing point is available. The melting point of aluminium dihydrogen triphosphate has been determined to be >450 °C. Therefore, a study for vapour pressure does not need to be conducted.

An estimate value of 1x10E-08 Pa has been set for the purpose of exposure and risk assessment by means of CHESAR 2.3.