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Physical & Chemical properties

Boiling point

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Description of key information

Terephthalic acid is a solid.  It sublimes at 402-404 degrees C at atmospheric pressure, without undergoing a transition to the liquid phase.  Its boiling point cannot therefore be determined except under artificial physical conditions that have no practical relevance.  A study to determine the boiling point of terephthalic acid is therefore scientifically unjustified.  

Key value for chemical safety assessment

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