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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Administrative data

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Description of key information

The boiling temperature of the liquid reaction mass of ammonium dihydrogenorthophosphate and diammonium hydrogenorthophosphate is ca. 100°C.
This endpoint is waived for the solid reaction mass which decomposes before boiling.

Key value for chemical safety assessment

Additional information

Liquid form:

The boiling temperature of the liquid reaction mass is provided in the lead-registrant SDS. In the absence of further details on the experimental method used, a reliability score of 4 was attributed to this data.

Solid form:

The boiling point study is waived for the solid form based on the data on both constituents which indicate decomposition before boiling.