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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting point of Polyphosphoric Acids (107%) was determined in accordance with test guideline EC A.1 to be 61 °C, by differential thermal analysis (Holzschuh, 2013).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
61 °C

Additional information