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Boiling point

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Description of key information

The boiling point of anhydrous ammonia is reported to be -33 °C (Handbook of Compressed Gases) and -33.33 °C (CRC Handbook, 2006).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
240 K

Additional information

The boiling point of anhydrous ammonia is reported to be -33 °C (Handbook of Compressed Gases) and -33.33 °C (CRC Handbook, 2006).

The boiling point of aqueous ammonia (30% solution) is reported to be 36 degrees Celsius (Young, 2003). The boiling point of a range of concentrations of aqueous ammonia was measured to be 59 to 195F for a concentration of 35.28 to 1.62 %wt ammonia in solution (Perry's Chemical Engineer's Handbook).