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Physical & Chemical properties

Vapour pressure

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Description of key information

Vapour pressure of TBHP was calculated from considerations of molecular structure, using the mpbpwin (v1.4.3) module of the US EPA's EPIWIN v4.0 QSAR programme

Key value for chemical safety assessment

Vapour pressure:
5 078 Pa
at the temperature of:
298 K

Additional information

Instability of this organic peroxide precludes experimental determination of vapour pressure. Water content of the TBHP commercial product (aqueous solution) would distort vapour pressure measurement