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Physical & Chemical properties

Boiling point

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Description of key information

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
303 °C

Additional information

The boiling point was reported as >303°C (Reimer, 2001a). TNPP will begin to degrade before boiling. According to a Thermal Gravimetric Analysis (TGA) of TNPP, the phosphite has an onset of degradation at 322°C under nitrogen.