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Physical & Chemical properties

Melting point / freezing point

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Description of key information

189-194°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
197 °C

Additional information

Differential Scanning Calorimetry was performed using a Mettler-Toledo TGA/DSC Instrument in a Mono Potassium Phosphite sample.

From DSC thermal analysis, two endothermic events have been recorded, the first one very faint between 133 - 143 °C (AH = -0.51 J/g; onset = 135°C), the second between 189 - 194 °C (AH = -24.6 J/g; onset = 197 °C), both the endotherms can be related to the melting of the sample.