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Physical & Chemical properties

Vapour pressure

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Description of key information

The endpoint can be waived: The substance does not melt under 240°C and starts to decompose at 263°C, so the vapour pressure will be low.

Key value for chemical safety assessment

Additional information

Based on its multiple carboxylic acid salt functionality the pure substance will exhibit negligible vapor pressure. Because of its high polarity the substance always contains a few % of water so the vapour pressure exhibited by this substance is expected to be that of the adherent water.

The low vapour pressure is supported by EPI Suite: the vapour pressure of EDTA-ZnNa2 is calculated to be 1.32.10E-17Pa at 25°C.