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Physical & Chemical properties

Vapour pressure

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Description of key information

Data waiving

Key value for chemical safety assessment

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

Additional information

According to ANNEX VII of REACH regulation n. 1907/2006, the study does not need to be conducted if the melting point is above 300 °C, and, if it is between 200 °C and 300 °C, a limit value based on measurement or a recognised calculation method is sufficient. The melting point falls in the range of 189 - 194 °C and decomposition starts at 200°C. A calculation method could not be used do to the complexity of the inorganic nature of the substance. It is assumed the lowest possible vapour pressure for the calculation system for risk assessment.