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Physical & Chemical properties

Vapour pressure

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Description of key information

negligible

Key value for chemical safety assessment

Additional information

According to Annex VII of the REACH Regulation (EC 1907/2006), a study on vapour pressure is not needed if the melting point is above 300 °C.

Acid Red 057 is a solid at 20 °C and 1013 hPa; in a DSC analysis up to 500 °C, no melting point is recorded.