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Physical & Chemical properties

Vapour pressure

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Description of key information

< 0.000001 Pa at 25°C
(estimated)

Key value for chemical safety assessment

Additional information

As the melting point of test substance was not found below 250°C (decomposition) by DSC thus the vapour pressure of test substance is expected to be very low.

Since the test substance is a multi-components therefore the vapour pressure values could technically just calculate on individual component.

The calculation was based on Modified Grain Method using recommended MPBPVP module of software EPI Suite and the results are given

as follows:

3.0E-17 Pa at 25°C (of Monophthalamide- )

1.5E-08 Pa at 25°C (of Quinacridone- )

7.7E-25 Pa at 25°C (of Diphthalamide- )

It can be concluded that the vapour pressure of test substance was estimated to be below 1E-6 Pa at 25°C