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Physical & Chemical properties

Vapour pressure

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Description of key information

The vapour pressure of NPEO was 0.00043, 0.00066 and 0.0048 hPa at 20, 25 and 50°C, respectively (Smeykal H, 2010a).

Key value for chemical safety assessment

Vapour pressure:
0 hPa
at the temperature of:
20 °C

Additional information

The vapour pressure of NPEO was determined in accordance with OECD Guideline 104 by measuring the vapour pressure balance (effusion method).