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Vapour pressure

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Description of key information

Vapour pressure: 0.0021 mmHg (0.28 Pa) at 25°C

Key value for chemical safety assessment

Vapour pressure:
0.28 Pa
at the temperature of:
25 °C

Additional information

Vapour pressure of diethyl phthalate was found to be 0.0021 mmHg at 25 deg C and stongly agrees with the calculated value of 0.00225 mmHg at the same temperature.

Detemination using the gas saturation method resulted in a value of 0.22 Pa at 25 deg C. Another, well documented, experimental result, obtained using the using a dynamic method in accordance with EU test guidelines, confirms that the vapour pressure of diethyl phthalate at 25 deg C is <28 mbar (<28 hPa).